四年级数学（小数加减运算）计算题专项练习与答案

四年级数学（小数加减运算）计算题专项练习与答案(1)6.15+0.59=(2)8.04+3.77=(3)0.11+6.88=(4)1.79+3.58=(5)1.13+6.53=(6)3.99+8.2=(7)3.66+5.94=(8)4.91+9.44=(9)1.67+4.14=(10)7.03+4.4=(11)5.98+7.92=(12)2.07+9.65=(13)7.22+4.94=(14)1.61+6.61=(15)4.98+8.58=(16)2.71+5=(17)3.22+1.76=(18)6.58+9.8=(19)0.44+2.45=(20)2.44+2.84=(21)3.16+2.45=(22)6.16+3.59=(23)0.76+2.1=(24)7.96+6.29=(25)9.7+8.08=(26)1.3+8.64=(27)6.05+8.55=(28)0.37+5.53=(29)5.05+9.33=(30)2.71+5.63=(31)8.75+8.01=(32)8.49+2.09=(33)2.76+7.96=(34)8.34+8.38=(35)5.65+2.73=(36)7.01+9.82=(37)6.48+2.3=(38)1.19+6.53=(39)7.56+6.57=(40)5.89+8.43=(41)2.94+8.47=(42)5.33+4.51=(43)5.5+7.97=(44)0.92+7.92=(45)8.98+1.48=(46)1.31+6.81=(47)4.59+5.58=(48)6.89+5.13=(49)5.83+2.43=(50)3.45+1.66=(51)9.49+4.65=(52)8.28+5.75=(53)4.8+1.53=(54)5.3+7.75=(55)7.7-4.32=(56)9.4-8.75=(57)5-4.78=(58)6.79-1.26=(59)9.44-0.44=(60)6-2.81=(61)7.85-4.93=(62)9.68-4.33=(63)9.79-6.06=(64)6.2-4.16=(65)8.11-4.67=(66)9.36-7.37=(67)8.87-2.81=(68)6.06-0.87=(69)8.67-4.61=(70)4.2-1.24=(71)2.97-1.84=(72)2.52-2.14=(73)9.72-4.47=(74)9.82-3.11=(75)3.82-2.16=(76)7.47-6.24=(77)4.16-2.88=(78)3.93-3.17=(79)8.11-6.13=(80)9.01-2.36=(81)9.26-3.91=(82)4.69-2.65=(83)7.78-6.11=(84)3-2.72=(85)6.7-6.47=(86)8.61-5.51=(87)8.48-0.11=(88)6.04-4.69=(89)8.41-5.54=(90)6.57-3.24=(91)7.53-3.67=(92)7.06-3.22=(93)4.9-2.62=(94)4.38-0.84=(95)9.87-8.91=(96)8.75-3.95=(97)8.41-5.87=(98)8.32-7.45=(99)5.85-0.5=(100)8.38-4.02=(101)8.1-3.38=(102)9.38-5.73=(103)5.27-2.81=(104)7.24-3.78=(105)5.65-4.42=(106)8.33-0.03=(107)8.48-1.29=(108)5.81-3.05=(109)4.49+5.02+1.3=(110)8.45+7.56+1.52=(111)0.81+9.23+6.54=(112)0.05+7.81+5.04=(113)9.6+1.96+4.23=(114)4.54+0.76+6.78=(115)9.59+9.61+1.68=(116)4.41+7.61+0.52=(117)6.96+5.38+1.73=(118)0.36+5.08+8.22=(119)0.65+3.77+3.06=(120)1.35+8.65+8.69=(121)7.72+9.61+4.59=(122)2.82+2.67+0.43=(123)8.18+5.85+5.42=(124)1.34+2.56+7.06=(125)6.23+2.65+6.45=(126)2.68+6.32+0.69=(127)0.83+1.45+0.22=(128)4.36+9.87+8.02=(129)4.46+6.12+8.26=(130)2.65+2.21+0.17=(131)2.02+2.56+1.36=(132)5.46+3.33+5.48=(133)1.92+8.53+5.95=(134)7.79+6.98+0.72=(135)0.31+0.27+0.47=(136)8.07+5.67+2.75=(137)3.75+7.78+9.44=(138)4.73+3.19+3.15=(139)1.76+2.69+9.88=(140)1.18+7.91+6.56=(141)3.36+0.78+9.67=(142)7.38+1.13+6.49=(143)0.72+4.77+6.98=(144)2.76+1.53+8.53=(145)1.68+6.3+3.76=(146)1.16+1.07+9.62=(147)4.05+8.54+8.57=(148)7.04+3.45+5.18=(149)0.56+5.59+8.85=(150)5.51+5.58+7.35=(151)9.53+8.25+1.33=(152)6.03+2.92+1.43=(153)5.31+0.74+0.91=(154)5.97+9.39+1.64=(155)9.98+3.6+1.11=(156)7.86+5.9+9.1=(157)8.84+5.79+6.13=(158)1.31+2.28+6.38=(159)2.01+7.12+3.42=(160)4.45+5.04+2.48=(161)9+8.53+1.32=(162)9.9+9.49+9.73=(163)1.25+7.62-5.82=(164)9.55+1.7-6.33=(165)0.35+1.91-2=(166)0.83+4.8-2.07=(167)5.11+0.61-4.2=(168)9.87+1.36-0.62=(169)8.62+0.04-5.74=(170)3.13+9.63-9.12=(171)7.52+6.61-0.21=(172)0.02+8.67-2.88=(173)9.11+7.21-7.33=(174)6.24+8.31-6.44=(175)6.5+6.06-0.22=(176)0.45+7.96-3.98=(177)6.75+4.48-5.57=(178)6.92+4.99-7.14=(179)3.34+6.83-1.18=(180)1.66+7.47-1.47=(181)4.67+1.76-2.48=(182)6.95+6.91-0.61=(183)5.59+2.94-0.62=(184)0.35+8.99-1.53=(185)7.19+5.38-1.86=(186)3.27+5.77-2.27=(187)5.02+4.53-5.31=(188)4.9+9.6-2.77=(189)2.79+4.54-6.95=(190)8.67+3.97-0.27=(191)1.53+6.42-0.25=(192)7.05+0.18-6.28=(193)4.47+5.57-1.01=(194)2.38+0.41-1.26=(195)4.09+8.11-8.52=(196)9.95+9.48-4.14=(197)3.54+1.1-0.32=(198)0.81+8.08-5.32=(199)6.18+1.6-6.35=(200)1.8+5.29-1.81=(201)8.61+4.41-4.4=(202)9.92+8.44-0.23=(203)7.99+4.79-2.6=(204)3.6+6.84-4.24=(205)0.35+3.32-0.45=(206)5.77+4.26-4.25=(207)2.27+3.36-0.52=(208)7.46+4.03-3.46=(209)3.81+3-0.15=(210)3.44+3.42-0.59=(211)7.95+8.1-2.67=(212)4.2+2.21-1.78=(213)6.61+2.89-6.81=(214)3.55+6.16-1.57=(215)9.24+4.73-5.97=(216)9.87+0.93-2.43=(217)4.46-2.54+0.36=(218)9.5-5.42+1.26=(219)9.16-1.84+2.68=(220)2.57-1.57+9.48=(221)4.42-0.16+4.7=(222)7.82-5.71+0.62=(223)8.02-5.33+9.22=(224)1.39-0.21+8.05=(225)3.96-3.11+8.59=(226)8.12-1.07+9.26=(227)3.72-3.32+1.2=(228)3.4-1.61+9.82=(229)2.09-0.5+2.46=(230)5.82-5.61+6.59=(231)4-1.81+7.43=(232)8.05-7+2.94=(233)4.19-2.88+7.36=(234)7.59-2.87+7.61=(235)7.63-4.33+1.24=(236)1.62-0.96+4.22=(237)9.05-1.07+7.53=(238)1.95-1.55+4.06=(239)5.66-4.18+5.15=(240)9.55-7.47+6.61=(241)3.6-3.15+8.89=(242)1.89-0.91+8.81=(243)4.19-0.04+2.45=(244)8.51-1.96+4.28=(245)8.59-2.13+8.93=(246)8.07-2.77+2.26=(247)8.38-3.47+9.49=(248)5.28-4.2+0.77=(249)8.05-6.08+9.16=(250)7.73-0.36+3.81=(251)8.75-5.58+5.27=(252)7.22-2+8.44=(253)9.03-3.76+5.71=(254)9.44-2.96+5.4=(255)2.89-1.24+0.52=(256)8.51-7.87+4.1=(257)8.93-3.09+4.51=(258)9.9-1.91+0.09=(259)7.44-6.5+4.62=(260)9.46-8.66+2.79=(261)6.29-4.47+3.83=(262)7.11-2.92+6.7=(263)7.58-3.84+7.06=(264)8.82-7.63+9.53=(265)9.39-0.39+6.71=(266)6.79-5.38+9.44=(267)9.17-8.92+4.86=(268)9.61-8.12+0.2=(269)9.6-6.36+2.4=(270)6.48-0.96+0.25=(271)7.53-1.6-5.29=(272)7.7-2.6-4.01=(273)9.43-3.37-3.47=(274)8.4-1.61-5.55=(275)8.66-1-3.47=(276)9.08-2.09-3.42=(277)9.18-3.93-0.2=(278)8.16-3.67-3.59=(279)8.51-0.2-5.64=(280)4.24-2.77-1.06=(281)9.56-4.1-2.85=(282)8.34-5.25-0.3=(283)9.26-3.38-1.75=(284)9.81-3.67-4.33=(285)9.32-5.94-2.73=(286)5.53-0.67-2.67=(287)4.91-0.64-3.73=(288)8.18-2.22-3.6=(289)9.77-3.87-5.51=(290)8.04-1.76-2.63=(291)9.65-1.03-3.39=(292)7.4-0.71-0.55=(293)8.69-2.63-2.42=(294)7.34-0.35-5.09=(295)5.96-0.32-0.98=(296)9.31-3.32-2.54=(297)4.99-0.03-2.47=(298)9.3-2.76-3.33=(299)7.93-3.49-2.02=(300)9.8-6.68-1.88=(301)9.31-1.15-0.9=(302)6.58-1.32-0.59=(303)5.57-2.17-1.65=(304)8.47-2.24-5.97=(305)7.54-6.34-0.51=(306)8.12-2.26-1.44=(307)5.55-0.23-0.7=(308)7.12-1.62-4.44=(309)6.44-1.51-3.41=(310)9.64-4.5-4.68=(311)7.44-0.23-0.71=(312)9.16-2.58-5.31=(313)7.07-2.46-0.14=(314)7.17-4.01-2.37=(315)8.46-2.68-3.51=(316)9.83-6.19-1.58=(317)7.59-3.4-1.82=(318)8.89-4.78-0.92=(319)9.55-3.17-5.72=(320)4.16-2.3-0.87=(321)8.66-0.67-7.85=(322)8.8-2.83-1.43=(323)8.45-1.24-4.05=(324)8.43-1.08-1.76=(325)8.19+5.53+5.52+4.7=(326)4.48+5.76+0.41+7.94=(327)4.03+5.59+3.58+8.93=(328)6.52+3.57+8.1+5.01=(329)2.34+6.47+6.57+0.44=(330)2.53+7.47+1.57+8.71=(331)4.76+6.75+6.31+8.12=(332)1.86+0.44+8.6+6.65=(333)8.1+7.97+1.34+4.58=(334)1.86+9.49+2.55+6.39=(335)2.34+3.74+8.85+1.47=(336)2.53+4.84+6.35+2.19=(337)9.87+1.16+4.33+1.47=(338)1.34+1.67+8.54+6.48=(339)9.54+6.86+2.35+4.32=(340)2.65+8.87+5.73+5.7=(341)0.74+2.2+5.25+7.57=(342)8.65+0.22+9.44+1.51=(343)5.89+4.88+8.22+4.59=(344)1.25+6.35+7.25+2.03=(345)2.28+6.93+2.08+5.46=(346)6.68+9.18+0.75+9.37=(347)5.72+1+7.57+8.48=(348)7.58+1.4+5.29+2.68=(349)2.45+9.77+7.63+2.63=(350)8.99+7.56+9.33+8.17=(351)6.85+5.94+6.16+3.84=(352)8.1+5.27+3.05+0.58=(353)6.08+2.07+4.68+0.52=(354)9.41+6.95+8.96+2.09=(355)4.44+2.92+0.75+5.97=(356)9.87+6.33+9.73+8.51=(357)3.38+4.86+4.36+8.41=(358)0.76+5.03+0.36+3.69=(359)5.21+9.44+1.11+1.03=(360)5.79+8.14+5.02+6.57=(361)1.18+1.14+3.33+7.63=(362)7.08+1.15+3.25+1.95=(363)6.23+0.75+5.64+3.07=(364)2.12+2.37+4.14+0.44=(365)8.03+8.32+0.63+0.08=(366)9.08+2.41+8.45+1.94=(367)2.41+0.11+9.29+4.56=(368)6.65+4.57+4.23+9.2=(369)0.07+9.2+3.86+0.65=(370)6.73+8.99+3.38+0.42=(371)6.27+0.74+0.78+9.42=(372)2.89+8.69+8.38+0.64=(373)6.23+6.51+1.02+9.07=(374)7.58+7.6+6.07+6.61=(375)2.05+6.47+5.18+0.4=(376)9.29+0.56+9.63+9.8=(377)3.11+7.65+6.05+4.34=(378)2.33+7.21+3.03+5.65=(379)4.37+4.39+3.63-0.74=(380)5.27+4.95+3.62-9.53=(381)9.46+5.47+0.29-9.57=(382)6.08+7.49+2.19-2.13=(383)7.98+6.93+5.88-9.32=(384)4.54+9.5+1.48-9.55=(385)8.79+1.36+5.63-8.41=(386)5.16+9.02+6.92-6.28=(387)4.09+7.15+5.46-9.47=(388)6.4+2.64+6.2-0.88=(389)4.08+0.5+5.97-7.73=(390)8.27+2.18+1.83-6.54=(391)9.87+1.09+7.45-0.06=(392)6.49+8.49+8.31-0.62=(393)7.99+7.74+4.39-1.7=(394)5.04+9.75+4.85-9.31=(395)5.64+1.87+9.82-8.66=(396)4.07+2.04+8.21-8.41=(397)5.49+9.82+0.45-2.73=(398)3.94+3.06+6.47-0.26=(399)0.86+3.58+9.66-2.68=(400)6.51+8.91+9.02-0.35=(401)6.63+6.86+3.53-1.09=(402)2.28+8.58+4.68-9.37=(403)1.82+2.13+5.29-6.88=(404)0.14+2.32+5.24-2.11=(405)1.52+4.9+7.97-6.57=(406)9.5+2.25+4.58-7.18=(407)9.47+5.9+5.71-9.48=(408)6.42+6.25+5.84-4.83=(409)3.98+2.63+7.96-4.93=(410)8.13+8.6+1.78-1.07=(411)3.2+3.27+5.65-0.36=(412)5.89+5.07+8.27-1.76=(413)6.26+8.34+2.99-0.73=(414)5.19+2.11+2.25-6.61=(415)9.77+2.82+6.41-7.84=(416)6.59+9.12+6.11-8.98=(417)6.71+8.76+8.85-7.32=(418)8.05+1.98+7.11-5.32=(419)1.38+5.31+2.57-6.72=(420)2.81+6.07+8.85-8.92=(421)7.79+2.6+3.96-1.41=(422)8.28+8.23+1.13-0.09=(423)7.41+6.81+6.83-0.86=(424)3.83+5.91+2.84-0.8=(425)0.66+9.85+9.11-4.55=(426)2.74+8.59+4.36-4.7=(427)9.13+9.39+0.45-8.99=(428)7.12+8.75+8.01-4.75=(429)8.17+7.98+0.89-9.97=(430)5.91+1.9+8.01-4.2=(431)9.29+8+3.72-8.63=(432)0.59+4.99+3.27-6.78=(433)5.44+9.17-2.4+9.53=(434)2.28+7.96-7.8+4.13=(435)7.29+0.53-0.32+2.06=(436)0.45+4.16-3.48+2.45=(437)5.07+8.6-1.81+3.1=(438)7.01+2.4-9.07+2.58=(439)7.64+8.07-2.93+5.26=(440)5.41+8.49-2.37+5.65=(441)0.6+9.07-4.55+2.62=(442)0.39+5.35-4.46+0.9=(443)9.53+7.1-2.76+4.69=(444)8.13+4.07-6.79+0.99=(445)4.67+0.93-3.4+4.31=(446)5.95+5.71-6.4+7.4=(447)2.07+9.53-8.69+3.62=(448)1.02+8.83-4.27+2.43=(449)0.92+9.46-0.96+8.39=(450)4.32+5.45-0.99+3.71=(451)1.78+5.92-5.31+7.6=(452)9.54+1.54-6.77+1.88=(453)9.4+7.85-6.72+9.93=(454)6.77+6.85-9.37+8.79=(455)7.07+9.22-8.44+7.05=(456)9.53+9.73-0.7+9.38=(457)1.45+4.8-2.2+7.77=(458)5.8+6.69-3.58+2.26=(459)5.95+9.04-2.5+7.08=(460)7.63+9.39-0.23+7.37=(461)3.55+1.32-4.34+9.13=(462)1.69+6.32-2.91+8.86=(463)7.01+8.53-8.23+3.61=(464)7.91+7.88-1.85+4.28=(465)3.69+8.09-4.03+1.17=(466)8.09+3.49-5.26+1.25=(467)6.43+7.14-2.09+7.13=(468)9.42+2.73-2.46+0.1=(469)8.03+4.45-2.03+4.23=(470)8.45+7.94-6.04+2.45=(471)6.1+6.22-8.39+7.18=(472)5.34+8.72-0.05+5.91=(473)6.37+5.25-5.5+2.19=(474)4.5+6.36-6.57+5.1=(475)4.08+4.47-3.31+5.77=(476)5.72+6.81-0.57+4.02=(477)6.94+6-6.53+5.57=(478)3.94+6.54-8.14+0.55=(479)4.38+5.94-7.11+6.66=(480)8.84+7.11-9.5+6.83=(481)1.7+4.91-1.37+8.71=(482)0.43+3.16-2.27+6.11=(483)8.18+1.17-4.37+8.49=(484)5.3+9.03-6.7+0.94=(485)5.08+8.58-7.65+1.4=(486)6.36+1.08-0.76+8.28=(487)8.99+5.67-5.97-2.17=(488)6.33+8.13-7.13-1.47=(489)7.68+4.63-4-3.6=(490)4.52+2.77-3.3-0.22=(491)9.97+6.66-9.63-3.18=(492)4.75+9.09-0.57-5.5=(493)7.5+8.98-0.47-0.05=(494)4.49+6.49-2.38-3.75=(495)2.67+4.92-4.14-2.87=(496)1.77+5.29-4.44-2.29=(497)7.93+8.52-8.55-1.78=(498)3.41+5.79-0.39-0.22=(499)1.85+6.57-2.11-6.13=(500)9.89+1.53-6.44-4.87=(501)8.45+9.23-1.25-4.41=(502)6.55+1.9-7.38-0.07=(503)7.2+5.76-8.8-0.36=(504)6.09+4.42-3.5-3.89=(505)1.23+9.95-2.44-8.15=(506)4.07+5.18-0.23-2.2=(507)8.75+9.73-5.81-2.09=(508)4.48+3.28-5.58-1.23=(509)4.25+7.28-2.02-2.21=(510)4.58+7.08-4.3-0.43=(511)9.96+9.39-4.56-0.2=(512)5.9+7.95-0.64-9.53=(513)6.11+8.3-3.89-1.61=(514)9.93+7.23-1.47-2.71=(515)2.23+6.44-2.43-5.46=(516)5.21+6.98-5.62-0.98=(517)8.11+5.48-4.44-1.89=(518)8.05+0.38-1.16-0.24=(519)2.73+3.32-1.34-1.72=(520)6.86+2.08-4.82-2.65=(521)9.81+3.81-9.42-3.89=(522)2.83+8.35-6.72-4.02=(523)7.07+2.69-0.02-5.03=(524)0.66+8.6-0.46-5.23=(525)7.19+6.14-0.61-7.99=(526)2.71+8.51-3.4-1.8=(527)1.84+4.65-0.19-1.03=(528)9.98+6.57-2.58-9.56=(529)9.37+1.25-4.73-5.48=(530)6.76+2.59-4.15-0.56=(531)4.77+5.45-1.54-0.33=(532)5.14+7.02-9.57-2.11=(533)5.37+8.4-7.52-1.35=(534)5.49+9.49-1.83-7.06=(535)5.14+9.27-5.12-8.39=(536)4.68+6.36-2.35-5.05=(537)5.17+7.66-4.24-0.87=(538)8.3+2.07-9.57-0.66=(539)8.91+6.92-2.09-5.78=(540)9+3.39-1.05-5.42=(541)7-1.07+1.38+4.43=(542)8-5.05+0.84+6.77=(543)7.58-2.45+9.86+0.11=(544)1.47-0.96+8.18+6.95=(545)6.23-3.43+5.7+7.78=(546)1.5-0.32+8.25+5.27=(547)8.55-5.32+0.75+2.99=(548)6.63-1.53+4.24+8.76=(549)9.49-9.13+8.27+8.04=(550)9.11-8.71+2.05+5.86=(551)2.91-0.61+2.82+3.58=(552)6.7-3.98+6.66+9.33=(553)7.81-1.47+9.78+9.59=(554)9.03-6.62+4.42+5.4=(555)7.65-0.14+1.91+0.7=(556)5.16-4.96+8+1.59=(557)8.59-7.78+3.41+4.41=(558)5.38-2.35+7.53+3.38=(559)7.68-0.85+2.12+8.29=(560)3.02-2.83+6.03+6.51=(561)7.77-0.45+3.16+1.62=(562)9.69-0.89+7.89+1.27=(563)8.71-5.03+3.6+1.26=(564)5.25-1.38+6.04+1.32=(565)7.91-3.99+6.82+9.06=(566)7.89-7.02+2.58+9.93=(567)5.11-0.37+3.76+3.37=(568)6.37-3.68+1.48+2.38=(569)7.13-6.84+9.1+9.28=(570)1.31-0.34+9.95+2.59=(571)3.98-0.06+6.83+3.33=(572)8.36-0.3+2.21+4.21=(573)8.52-3.39+4.26+4.56=(574)9.31-5.55+0.54+2.73=(575)7.8-3.68+3.28+5.02=(576)6.69-5.88+7.37+2.8=(577)7.26-6.84+7.78+0.99=(578)9.32-6.91+5.37+5.68=(579)6.54-1.35+7.36+5.97=(580)8.29-4.19+4.65+1.35=(581)8.92-1.27+2.46+6.47=(582)8.26-5.72+6.55+1.63=(583)5.28-4.54+4.19+1.68=(584)4.86-3.56+2.55+8.16=(585)4.35-4.14+8.94+1.44=(586)6.91-0.87+9.89+7.91=(587)2.7-0.51+4.69+9.82=(588)9.49-1.92+6.71+8.78=(589)7.42-3.98+7.97+8.28=(590)8.8-6.28+8.75+5.34=(591)9.96-8.69+9.66+6.44=(592)4.63-0.12+7.84+5.47=(593)4.46-2.06+3.35+1.26=(594)5.4-2.96+8.17+6.71=(595)5.78-3.84+8.93-5.45=(596)7.8-0.57+2.08-3.95=(597)6.79-0.34+9.57-8.69=(598)9.75-1.69+9.24-9.31=(599)6.22-0.81+5.85-6.37=(600)9.34-9.18+4.82-0.8=(601)8.83-7.05+8.6-9.44=(602)9.25-2.03+4.94-2.99=(603)7.4-5.02+5.35-1.21=(604)8.57-5.69+9.53-4.14=(605)6.47-1.27+5.41-8.14=(606)7.27-5.86+9.88-0.18=(607)3.82-3.68+6.33-4.75=(608)6.83-5.87+4.61-1.93=(609)9.7-6.36+4.78-5.66=(610)5.43-2.06+6.77-6.92=(611)8.56-3.12+5.49-6.32=(612)4.13-3.72+5.31-1.75=(613)5-0.96+4.43-3.34=(614)9.19-3.59+4.42-1.02=(615)9.75-7.01+6.86-3.69=(616)2.02-0.18+2.4-1.13=(617)8.12-1.86+0.14-3.95=(618)9.41-6.36+4.53-0.3=(619)8.9-6.78+8.01-5.45=(620)9.84-5.96+8.69-6.93=(621)8.08-0.6+5.83-1.78=(622)5.75-1.87+8.54-9.58=(623)8.65-1.43+2.86-7.04=(624)7.06-2.17+9.11-7.09=(625)0.91-0.39+8.02-1.73=(626)6.64-4.64+8.53-1.44=(627)8.17-5.1+1.61-1.07=(628)9.04-4.66+4.92-3.81=(629)5.7-4.7+9.93-3.1=(630)8.73-4.29+4.01-4.03=(631)8.84-2.55+6.8-4.34=(632)6.15-2.48+5.02-7.54=(633)6.83-2.2+8.75-4.49=(634)5.97-2.09+5.06-8.51=(635)5.44-1.32+8.34-1.89=(636)5.97-3.26+2.59-4.41=(637)7.93-3.89+4.91-3.03=(638)6.56-1.2+2.63-5.3=(639)3.28-0.14+5.46-2.37=(640)5.31-4.33+9.69-1.22=(641)8.23-1.33+3.26-7.17=(642)7.03-3.21+9.99-5.78=(643)7.08-6.28+7.9-7.97=(644)5.56-4.62+2.44-2.87=(645)4.51-2.87+1.64-0.34=(646)9.23-4.73+3.63-3.55=(647)8.17-0.92+6.37-5.73=(648)3.71-1.54+0.71-1.97=(649)9.31-0.92-6.11+8.58=(650)2.96-0.31-2.14+4.94=(651)8.35-0.91-4.31+4.23=(652)6.53-1.05-2.56+2.77=(653)9.73-0.08-0.9+3.14=(654)9.72-2.04-1.84+0.47=(655)8.09-1.01-3.19+8.22=(656)8.04-1.17-1.77+9.38=(657)9.1-3.06-1.96+3.18=(658)7.16-3.6-0.13+9.78=(659)4.13-3.95-0.03+2.05=(660)8.13-3.09-1+8.04=(661)8.88-1.06-5.39+3.75=(662)7.08-0.74-6.14+2.93=(663)6.73-3.22-2.32+3.51=(664)9.53-1.42-4.86+5.88=(665)9.06-0.87-1.14+9.41=(666)9.26-4.58-0.63+6.72=(667)9.91-2.52-0.77+2.26=(668)7.56-0.84-0.13+5.67=(669)8.99-2.07-5.31+1.96=(670)8.82-0.72-2.79+1.61=(671)4.75-0.67-3.66+7.19=(672)8.43-0.83-1.51+4.59=(673)8.87-2.54-2.7+9.23=(674)6.66-5.16-0.99+7.52=(675)5.74-2.03-2.1+1.11=(676)8.18-1.42-5.81+3.65=(677)8.97-1.7-3.87+8.02=(678)7.5-0.75-0.68+5.06=(679)8.53-3.82-4.26+0.51=(680)9.39-5.51-2.75+2.82=(681)8.78-4.89-1.06+4.36=(682)9.9-2.85-4.32+2.69=(683)8.55-2.83-3.66+6.94=(684)7.52-0.95-3.2+6.37=(685)9.11-5.56-0.54+2.2=(686)6.1-3.15-1.33+3.04=(687)8.61-3.37-1.72+5.17=(688)4.43-2.51-0.43+8.95=(689)9.25-2.24-2.86+0.66=(690)6.26-0.15-1.73+4.09=(691)8.02-2.87-3.94+0.93=(692)3.58-0.14-1.14+3.4=(693)3.44-0.2-0.46+3.54=(694)7.84-1.77-2.22+7.75=(695)1.65-0.14-0.79+0.05=(696)7.54-1.15-5.18+2.69=(697)6.12-0.5-4.09+0.41=(698)8.62-2.63-1.07+9.11=(699)3.02-0.84-0.14+3.23=(700)6.52-2.65-1.83+0.58=(701)8.19-6.16-1.57+8.05=(702)6.48-2.73-3.18+5.04=(703)9.65-6.8-0.46-1.16=(704)4.9-1.83-0.94-1.61=(705)8.43-7.41-0.33-0.54=(706)5.57-1.28-0.64-0.08=(707)9.3-4.73-2.88-0.81=(708)7.21-1.33-1.54-3.29=(709)8.35-0.38-0.91-0.44=(710)8.64-1.1-0.16-5.76=(711)7.06-0.26-0.99-3.03=(712)9.51-6.03-0.95-1.39=(713)8.88-1.98-1.75-1.15=(714)8.59-0.1-3.99-3.87=(715)5.69-0.25-2.41-2.63=(716)8.2-2.88-0.32-0.99=(717)6.31-0.56-1.32-2.82=(718)8.48-0.38-3.07-2.92=(719)9.12-0.56-1.66-3.26=(720)6.2-2.41-0.97-2.36=(721)9.35-0.63-6.2-1.58=(722)8.5-2.59-3.02-0.99=(723)5.63-1.51-1.55-0.19=(724)3.18-0.05-0.07-0.32=(725)6.91-2.44-1.21-0.58=(726)5.4-0.79-0.45-1.6=(727)8.2-1.3-0.33-2.9=(728)9.68-4.88-2.81-1.37=(729)9.59-2.81-5.45-0.66=(730)7.71-1.19-0.99-4.78=(731)9.21-1.85-1.06-3.33=(732)5.59-1.06-3.26-0.51=(733)8.65-1.86-2.02-1.91=(734)8.99-1.2-4.22-1.77=(735)6.12-3.14-0.46-0.65=(736)9.38-1.16-0.43-0.57=(737)4.11-1.92-1.44-0.21=(738)9.17-0.9-1.01-3.36=(739)9.94-1.34-0.29-7.94=(740)9.07-4.71-2.83-1.4=(741)9.15-1.54-0.1-0.27=(742)9.14-1.34-4.95-2.12=(743)9.45-3.62-2.27-1.43=(744)9.64-1.13-3.21-5.14=(745)9.06-4.43-2.46-1.33=(746)9.19-1.77-3.82-2.31=(747)3.69-0.21-0.42-2.87=(748)3.39-0.03-0.25-1.38=(749)8.52-1.05-0.1-5.82=(750)8.95-2.93-2.51-2.18=(751)9.9-4.79-1.67-2.41=(752)8.1-1.18-4.82-1.03=(753)9.79-4.92-0.9-1.67=(754)7.23-1.72-3.34-1.47=(755)5.97-3.58-0.09-1.69=(756)9.55-0.92-4.53-0.07=参考答案(1)6.15+0.59=6.74(2)8.04+3.77=11.81(3)0.11+6.88=6.99(4)1.79+3.58=5.37(5)1.13+6.53=7.66(6)3.99+8.2=12.19(7)3.66+5.94=9.6(8)4.91+9.44=14.35(9)1.67+4.14=5.81(10)7.03+4.4=11.43(11)5.98+7.92=13.9(12)2.07+9.65=11.72(13)7.22+4.94=12.16(14)1.61+6.61=8.22(15)4.98+8.58=13.56(16)2.71+5=7.71(17)3.22+1.76=4.98(18)6.58+9.8=16.38(19)0.44+2.45=2.89(20)2.44+2.84=5.28(21)3.16+2.45=5.61(22)6.16+3.59=9.75(23)0.76+2.1=2.86(24)7.96+6.29=14.25(25)9.7+8.08=17.78(26)1.3+8.64=9.94(27)6.05+8.55=14.6(28)0.37+5.53=5.9(29)5.05+9.33=14.38(30)2.71+5.63=8.34(31)8.75+8.01=16.76(32)8.49+2.09=10.58(33)2.76+7.96=10.72(34)8.34+8.38=16.72(35)5.65+2.73=8.38(36)7.01+9.82=16.83(37)6.48+2.3=8.78(38)1.19+6.53=7.72(39)7.56+6.57=14.13(40)5.89+8.43=14.32(41)2.94+8.47=11.41(42)5.33+4.51=9.84(43)5.5+7.97=13.47(44)0.92+7.92=8.84(45)8.98+1.48=10.46(46)1.31+6.81=8.12(47)4.59+5.58=10.17(48)6.89+5.13=12.02(49)5.83+2.43=8.26(50)3.45+1.66=5.11(51)9.49+4.65=14.14(52)8.28+5.75=14.03(53)4.8+1.53=6.33(54)5.3+7.75=13.05(55)7.7-4.32=3.38(56)9.4-8.75=0.65(57)5-4.78=0.22(58)6.79-1.26=5.53(59)9.44-0.44=9(60)6-2.81=3.19(61)7.85-4.93=2.92(62)9.68-4.33=5.35(63)9.79-6.06=3.73(64)6.2-4.16=2.04(65)8.11-4.67=3.44(66)9.36-7.37=1.99(67)8.87-2.81=6.06(68)6.06-0.87=5.19(69)8.67-4.61=4.06(70)4.2-1.24=2.96(71)2.97-1.84=1.13(72)2.52-2.14=0.38(73)9.72-4.47=5.25(74)9.82-3.11=6.71(75)3.82-2.16=1.66(76)7.47-6.24=1.23(77)4.16-2.88=1.28(78)3.93-3.17=0.76(79)8.11-6.13=1.98(80)9.01-2.36=6.65(81)9.26-3.91=5.35(82)4.69-2.65=2.04(83)7.78-6.11=1.67(84)3-2.72=0.28(85)6.7-6.47=0.23(86)8.61-5.51=3.1(87)8.48-0.11=8.37(88)6.04-4.69=1.35(89)8.41-5.54=2.87(90)6.57-3.24=3.33(91)7.53-3.67=3.86(92)7.06-3.22=3.84(93)4.9-2.62=2.28(94)4.38-0.84=3.54(95)9.87-8.91=0.96(96)8.75-3.95=4.8(97)8.41-5.87=2.54(98)8.32-7.45=0.87(99)5.85-0.5=5.35(100)8.38-4.02=4.36(101)8.1-3.38=4.72(102)9.38-5.73=3.65(103)5.27-2.81=2.46(104)7.24-3.78=3.46(105)5.65-4.42=1.23(106)8.33-0.03=8.3(107)8.48-1.29=7.19(108)5.81-3.05=2.76(109)4.49+5.02+1.3=10.81(110)8.45+7.56+1.52=17.53(111)0.81+9.23+6.54=16.58(112)0.05+7.81+5.04=12.9(113)9.6+1.96+4.23=15.79(114)4.54+0.76+6.78=12.08(115)9.59+9.61+1.68=20.88(116)4.41+7.61+0.52=12.54(117)6.96+5.38+1.73=14.07(118)0.36+5.08+8.22=13.66(119)0.65+3.77+3.06=7.48(120)1.35+8.65+8.69=18.69(121)7.72+9.61+4.59=21.92(122)2.82+2.67+0.43=5.92(123)8.18+5.85+5.42=19.45(124)1.34+2.56+7.06=10.96(125)6.23+2.65+6.45=15.33(126)2.68+6.32+0.69=9.69(127)0.83+1.45+0.22=2.5(128)4.36+9.87+8.02=22.25(129)4.46+6.12+8.26=18.84(130)2.65+2.21+0.17=5.03(131)2.02+2.56+1.36=5.94(132)5.46+3.33+5.48=14.27(133)1.92+8.53+5.95=16.4(134)7.79+6.98+0.72=15.49(135)0.31+0.27+0.47=1.05(136)8.07+5.67+2.75=16.49(137)3.75+7.78+9.44=20.97(138)4.73+3.19+3.15=11.07(139)1.76+2.69+9.88=14.33(140)1.18+7.91+6.56=15.65(141)3.36+0.78+9.67=13.81(142)7.38+1.13+6.49=15(143)0.72+4.77+6.98=12.47(144)2.76+1.53+8.53=12.82(145)1.68+6.3+3.76=11.74(146)1.16+1.07+9.62=11.85(147)4.05+8.54+8.57=21.16(148)7.04+3.45+5.18=15.67(149)0.56+5.59+8.85=15(150)5.51+5.58+7.35=18.44(151)9.53+8.25+1.33=19.11(152)6.03+2.92+1.43=10.38(153)5.31+0.74+0.91=6.96(154)5.97+9.39+1.64=17(155)9.98+3.6+1.11=14.69(156)7.86+5.9+9.1=22.86(157)8.84+5.79+6.13=20.76(158)1.31+2.28+6.38=9.97(159)2.01+7.12+3.42=12.55(160)4.45+5.04+2.48=11.97(161)9+8.53+1.32=18.85(162)9.9+9.49+9.73=29.12(163)1.25+7.62-5.82=3.05(164)9.55+1.7-6.33=4.92(165)0.35+1.91-2=0.26(166)0.83+4.8-2.07=3.56(167)5.11+0.61-4.2=1.52(168)9.87+1.36-0.62=10.61(169)8.62+0.04-5.74=2.92(170)3.13+9.63-9.12=3.64(171)7.52+6.61-0.21=13.92(172)0.02+8.67-2.88=5.81(173)9.11+7.21-7.33=8.99(174)6.24+8.31-6.44=8.11(175)6.5+6.06-0.22=12.34(176)0.45+7.96-3.98=4.43(177)6.75+4.48-5.57=5.66(178)6.92+4.99-7.14=4.77(179)3.34+6.83-1.18=8.99(180)1.66+7.47-1.47=7.66(181)4.67+1.76-2.48=3.95(182)6.95+6.91-0.61=13.25(183)5.59+2.94-0.62=7.91(184)0.35+8.99-1.53=7.81(185)7.19+5.38-1.86=10.71(186)3.27+5.77-2.27=6.77(187)5.02+4.53-5.31=4.24(188)4.9+9.6-2.77=11.73(189)2.79+4.54-6.95=0.38(190)8.67+3.97-0.27=12.37(191)1.53+6.42-0.25=7.7(192)7.05+0.18-6.28=0.95(193)4.47+5.57-1.01=9.03(194)2.38+0.41-1.26=1.53(195)4.09+8.11-8.52=3.68(196)9.95+9.48-4.14=15.29(197)3.54+1.1-0.32=4.32(198)0.81+8.08-5.32=3.57(199)6.18+1.6-6.35=1.43(200)1.8+5.29-1.81=5.28(201)8.61+4.41-4.4=8.62(202)9.92+8.44-0.23=18.13(203)7.99+4.79-2.6=10.18(204)3.6+6.84-4.24=6.2(205)0.35+3.32-0.45=3.22(206)5.77+4.26-4.25=5.78(207)2.27+3.36-0.52=5.11(208)7.46+4.03-3.46=8.03(209)3.81+3-0.15=6.66(210)3.44+3.42-0.59=6.27(211)7.95+8.1-2.67=13.38(212)4.2+2.21-1.78=4.63(213)6.61+2.89-6.81=2.69(214)3.55+6.16-1.57=8.14(215)9.24+4.73-5.97=8(216)9.87+0.93-2.43=8.37(217)4.46-2.54+0.36=2.28(218)9.5-5.42+1.26=5.34(219)9.16-1.84+2.68=10(220)2.57-1.57+9.48=10.48(221)4.42-0.16+4.7=8.96(222)7.82-5.71+0.62=2.73(223)8.02-5.33+9.22=11.91(224)1.39-0.21+8.05=9.23(225)3.96-3.11+8.59=9.44(226)8.12-1.07+9.26=16.31(227)3.72-3.32+1.2=1.6(228)3.4-1.61+9.82=11.61(229)2.09-0.5+2.46=4.05(230)5.82-5.61+6.59=6.8(231)4-1.81+7.43=9.62(232)8.05-7+2.94=3.99(233)4.19-2.88+7.36=8.67(234)7.59-2.87+7.61=12.33(235)7.63-4.33+1.24=4.54(236)1.62-0.96+4.22=4.88(237)9.05-1.07+7.53=15.51(238)1.95-1.55+4.06=4.46(239)5.66-4.18+5.15=6.63(240)9.55-7.47+6.61=8.69(241)3.6-3.15+8.89=9.34(242)1.89-0.91+8.81=9.79(243)4.19-0.04+2.45=6.6(244)8.51-1.96+4.28=10.83(245)8.59-2.13+8.93=15.39(246)8.07-2.77+2.26=7.56(247)8.38-3.47+9.49=14.4(248)5.28-4.2+0.77=1.85(249)8.05-6.08+9.16=11.13(250)7.73-0.36+3.81=11.18(251)8.75-5.58+5.27=8.44(252)7.22-2+8.44=13.66(253)9.03-3.76+5.71=10.98(254)9.44-2.96+5.4=11.88(255)2.89-1.24+0.52=2.17(256)8.51-7.87+4.1=4.74(257)8.93-3.09+4.51=10.35(258)9.9-1.91+0.09=8.08(259)7.44-6.5+4.62=5.56(260)9.46-8.66+2.79=3.59(261)6.29-4.47+3.83=5.65(262)7.11-2.92+6.7=10.89(263)7.58-3.84+7.06=10.8(264)8.82-7.63+9.53=10.72(265)9.39-0.39+6.71=15.71(266)6.79-5.38+9.44=10.85(267)9.17-8.92+4.86=5.11(268)9.61-8.12+0.2=1.69(269)9.6-6.36+2.4=5.64(270)6.48-0.96+0.25=5.77(271)7.53-1.6-5.29=0.64(272)7.7-2.6-4.01=1.09(273)9.43-3.37-3.47=2.59(274)8.4-1.61-5.55=1.24(275)8.66-1-3.47=4.19(276)9.08-2.09-3.42=3.57(277)9.18-3.93-0.2=5.05(278)8.16-3.67-3.59=0.9(279)8.51-0.2-5.64=2.67(280)4.24-2.77-1.06=0.41(281)9.56-4.1-2.85=2.61(282)8.34-5.25-0.3=2.79(283)9.26-3.38-1.75=4.13(284)9.81-3.67-4.33=1.81(285)9.32-5.94-2.73=0.65(286)5.53-0.67-2.67=2.19(287)4.91-0.64-3.73=0.54(288)8.18-2.22-3.6=2.36(289)9.77-3.87-5.51=0.39(290)8.04-1.76-2.63=3.65(291)9.65-1.03-3.39=5.23(292)7.4-0.71-0.55=6.14(293)8.69-2.63-2.42=3.64(294)7.34-0.35-5.09=1.9(295)5.96-0.32-0.98=4.66(296)9.31-3.32-2.54=3.45(297)4.99-0.03-2.47=2.49(298)9.3-2.76-3.33=3.21(299)7.93-3.49-2.02=2.42(300)9.8-6.68-1.88=1.24(301)9.31-1.15-0.9=7.26(302)6.58-1.32-0.59=4.67(303)5.57-2.17-1.65=1.75(304)8.47-2.24-5.97=0.26(305)7.54-6.34-0.51=0.69(306)8.12-2.26-1.44=4.42(307)5.55-0.23-0.7=4.62(308)7.12-1.62-4.44=1.06(309)6.44-1.51-3.41=1.52(310)9.64-4.5-4.68=0.46(311)7.44-0.23-0.71=6.5(312)9.16-2.58-5.31=1.27(313)7.07-2.46-0.14=4.47(314)7.17-4.01-2.37=0.79(315)8.46-2.68-3.51=2.27(316)9.83-6.19-1.58=2.06(317)7.59-3.4-1.82=2.37(318)8.89-4.78-0.92=3.19(319)9.55-3.17-5.72=0.66(320)4.16-2.3-0.87=0.99(321)8.66-0.67-7.85=0.14(322)8.8-2.83-1.43=4.54(323)8.45-1.24-4.05=3.16(324)8.43-1.08-1.76=5.59(325)8.19+5.53+5.52+4.7=23.94(326)4.48+5.76+0.41+7.94=18.59(327)4.03+5.59+3.58+8.93=22.13(328)6.52+3.57+8.1+5.01=23.2(329)2.34+6.47+6.57+0.44=15.82(330)2.53+7.47+1.57+8.71=20.28(331)4.76+6.75+6.31+8.12=25.94(332)1.86+0.44+8.6+6.65=17.55(333)8.1+7.97+1.34+4.58=21.99(334)1.86+9.49+2.55+6.39=20.29(335)2.34+3.74+8.85+1.47=16.4(336)2.53+4.84+6.35+2.19=15.91(337)9.87+1.16+4.33+1.47=16.83(338)1.34+1.67+8.54+6.48=18.03(339)9.54+6.86+2.35+4.32=23.07(340)2.65+8.87+5.73+5.7=22.95(341)0.74+2.2+5.25+7.57=15.76(342)8.65+0.22+9.44+1.51=19.82(343)5.89+4.88+8.22+4.59=23.58(344)1.25+6.35+7.25+2.03=16.88(345)2.28+6.93+2.08+5.46=16.75(346)6.68+9.18+0.75+9.37=25.98(347)5.72+1+7.57+8.48=22.77(348)7.58+1.4+5.29+2.68=16.95(349)2.45+9.77+7.63+2.63=22.48(350)8.99+7.56+9.33+8.17=34.05(351)6.85+5.94+6.16+3.84=22.79(352)8.1+5.27+3.05+0.58=17(353)6.08+2.07+4.68+0.52=13.35(354)9.41+6.95+8.96+2.09=27.41(355)4.44+2.92+0.75+5.97=14.08(356)9.87+6.33+9.73+8.51=34.44(357)3.38+4.86+4.36+8.41=21.01(358)0.76+5.03+0.36+3.69=9.84(359)5.21+9.44+1.11+1.03=16.79(360)5.79+8.14+5.02+6.57=25.52(361)1.18+1.14+3.33+7.63=13.28(362)7.08+1.15+3.25+1.95=13.43(363)6.23+0.75+5.64+3.07=15.69(364)2.12+2.37+4.14+0.44=9.07(365)8.03+8.32+0.63+0.08=17.06(366)9.08+2.41+8.45+1.94=21.88(367)2.41+0.11+9.29+4.56=16.37(368)6.65+4.57+4.23+9.2=24.65(369)0.07+9.2+3.86+0.65=13.78(370)6.73+8.99+3.38+0.42=19.52(371)6.27+0.74+0.78+9.42=17.21(372)2.89+8.69+8.38+0.64=20.6(373)6.23+6.51+1.02+9.07=22.83(374)7.58+7.6+6.07+6.61=27.86(375)2.05+6.47+5.18+0.4=14.1(376)9.29+0.56+9.63+9.8=29.28(377)3.11+7.65+6.05+4.34=21.15(378)2.33+7.21+3.03+5.65=18.22(379)4.37+4.39+3.63-0.74=11.65(380)5.27+4.95+3.62-9.53=4.31(381)9.46+5.47+0.29-9.57=5.65(382)6.08+7.49+2.19-2.13=13.63(383)7.98+6.93+5.88-9.32=11.47(384)4.54+9.5+1.48-9.55=5.97(385)8.79+1.36+5.63-8.41=7.37(386)5.16+9.02+6.92-6.28=14.82(387)4.09+7.15+5.46-9.47=7.23(388)6.4+2.64+6.2-0.88=14.36(389)4.08+0.5+5.97-7.73=2.82(390)8.27+2.18+1.83-6.54=5.74(391)9.87+1.09+7.45-0.06=18.35(392)6.49+8.49+8.31-0.62=22.67(393)7.99+7.74+4.39-1.7=18.42(394)5.04+9.75+4.85-9.31=10.33(395)5.64+1.87+9.82-8.66=8.67(396)4.07+2.04+8.21-8.41=5.91(397)5.49+9.82+0.45-2.73=13.03(398)3.94+3.06+6.47-0.26=13.21(399)0.86+3.58+9.66-2.68=11.42(400)6.51+8.91+9.02-0.35=24.09(401)6.63+6.86+3.53-1.09=15.93(402)2.28+8.58+4.68-9.37=6.17(403)1.82+2.13+5.29-6.88=2.36(404)0.14+2.32+5.24-2.11=5.59(405)1.52+4.9+7.97-6.57=7.82(406)9.5+2.25+4.58-7.18=9.15(407)9.47+5.9+5.71-9.48=11.6(408)6.42+6.25+5.84-4.83=13.68(409)3.98+2.63+7.96-4.93=9.64(410)8.13+8.6+1.78-1.07=17.44(411)3.2+3.27+5.65-0.36=11.76(412)5.89+5.07+8.27-1.76=17.47(413)6.26+8.34+2.99-0.73=16.86(414)5.19+2.11+2.25-6.61=2.94(415)9.77+2.82+6.41-7.84=11.16(416)6.59+9.12+6.11-8.98=12.84(417)6.71+8.76+8.85-7.32=17(418)8.05+1.98+7.11-5.32=11.82(419)1.38+5.31+2.57-6.72=2.54(420)2.81+6.07+8.85-8.92=8.81(421)7.79+2.6+3.96-1.41=12.94(422)8.28+8.23+1.13-0.09=17.55(423)7.41+6.81+6.83-0.86=20.19(424)3.83+5.91+2.84-0.8=11.78(425)0.66+9.85+9.11-4.55=15.07(426)2.74+8.59+4.36-4.7=10.99(427)9.13+9.39+0.45-8.99=9.98(428)7.12+8.75+8.01-4.75=19.13(429)8.17+7.98+0.89-9.97=7.07(430)5.91+1.9+8.01-4.2=11.62(431)9.29+8+3.72-8.63=12.38(432)0.59+4.99+3.27-6.78=2.07(433)5.44+9.17-2.4+9.53=21.74(434)2.28+7.96-7.8+4.13=6.57(435)7.29+0.53-0.32+2.06=9.56(436)0.45+4.16-3.48+2.45=3.58(437)5.07+8.6-1.81+3.1=14.96(438)7.01+2.4-9.07+2.58=2.92(439)7.64+8.07-2.93+5.26=18.04(440)5.41+8.49-2.37+5.65=17.18(441)0.6+9.07-4.55+2.62=7.74(442)0.39+5.35-4.46+0.9=2.18(443)9.53+7.1-2.76+4.69=18.56(444)8.13+4.07-6.79+0.99=6.4(445)4.67+0