三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦151+594=124×(499-491)=126×5=122×5=397-40+358=382-(280-168)=287×2=104×(124-115)=25×(221-217)=65+167-150=699-(104+364)=578+177=40+82=183+69=220-(591-584)=50×5=920-(789+117)=830+832-962=417×2=256×6-558=610-550-11=706-196-384=142-(342-327)=332+959=355-117+355=823-233=751-74×3=897-(238+172)=832-125×6=27+266+638=308+(161-117)=5/7-2/7=312-261=770+(646-300)=361-185=845-(824-555)=203-(91+16)=344-(262+41)=620×7-770=222-48=544+253+188=744-688=63+85=112+228=423+844+51=317-(226-78)=253-242+351=401-28×5=129+60+167=299-(29+227)=321+159=213-(350-226)=189-158+319=828×3-740=437+79+103=443-(86+185)=297+194=80×6+432=688-247-100=47+700+68=54+307=122+112×7=18×(166-162)=495-161+127=287+112×2=856-(296+278)=177×(143-140)=92×9=249×4+583=361+71=327×3-638=835×9=600-122+777=445-30-175=84-83+19=685-125×4=264-68=937+599-264=417×2-175=273×6-337=74-(274-206)=372+168+297=921+198×3=566+595=496-143-187=242+125+369=102-26-37=492+94+315=148×2+102=840-(318+138)=205+(308-191)=899-346-384=481-144-43=140+49-122=910-81×7=159+34=259-(176-66)=488+18×7=419-(124+260)=392-30-220=313-(86+201)=272+163×5=80+278+329=381-78-50=240-(449-384)=850-63×7=26+940+263=160×2-48=750-(816-781)=404-(306-171)=326-267+68=36×2=151+308-225=551+834+569=182×5-520=33×(264-255)=675×6-71=212+70-142=169-82+189=29×3+468=255+620+48=827×8=360+403+384=751×5-795=507+177=572×3-428=170×(417-412)=762-(50+48)=496+(157-10)=68×(338-334)=783+182=178+294-298=233-30×2=453+308=968-953=318+69+474=372-261+118=449-306+216=141+157+965=322-154=694-(838-484)=999-45+901=288-111=10+77×9=858×(148-145)=74+700+173=185×2=300-196+392=489-287-143=55×4+250=572-268-102=817-(899-876)=20+235-182=305-116×2=86+307=116+86×3=209+366×2=485-(656-480)=244-(32+54)=162+259+380=141×4-19=182+54=79+466+226=66×(126-120)=163-76=930-76×3=837-(262+252)=933+79+184=559-109-429=68+97-74=848-(135+472)=133×(477-472)=122+348=117+344-221=175+114-132=457-(390-275)=286-(812-575)=3/9-2/9=326×3+101=204+804+927=387-29×4=376-121=66×7=40+(38-26)=904×5-736=579-(721-329)=643×(568-563)=821+(691-131)=426-(434-301)=4/8+2/8=4/9-2/9=383-40×6=331-35=201+23-88=546-(604-533)=584×(464-460)=456-81-219=16+46+628=37×7+868=72×(118-109)=277×8-576=127×5+245=308-27×2=234+261×2=112-76=379-160×2=316+735=164×(186-180)=345×2-34=427-370=794-758+933=224+173-277=235+225=531-141=130+844+535=391-322+149=73-32×2=506-495+75=683-76×2=154+91-179=363+(217-20)=430-132×3=4/8-2/8=87+25=2/8-1/8=976-30×7=951×3=56+572-125=615+270+460=451+105+17=794-100×6=471-(62+354)=324+132=185+66-232=220+(281-107)=247-(62+74)=904×(958-954)=39×(130-122)=290-(251-101)=155×4+57=92-75+166=770×8=264×3-36=386-17-73=2/10+8/10=388+(653-40)=459+199=300+159=155×3-247=118×7-668=472-165=45+367+137=213-60=495-(274-184)=368-316+122=184+93-242=880-224-103=199×(201-197)=83-(155-149)=364+(469-291)=702×(548-542)=263-(475-468)=985-740=837+77×9=342-(108+38)=336-177-47=683+(897-580)=383-63×2=175+(243-229)=347+835+865=450-260=150×(254-248)=817-(318+437)=137+157+933=402×2-620=198×(507-503)=586+731-200=916+729+733=2/4-1/4=886+(945-668)=754+445=129×3-231=961-458+568=102×2+313=98×4=408+(187-175)=988-70-810=706-(589+44)=358-(29+266)=843×(268-259)=671+(423-88)=218+36-118=913-95=918-(28-19)=493-(195-35)=473-40=310×2-139=883-629=479-231×2=870-293=182×2=257+215=182+863+49=983-780-63=765+(584-289)=282+222+295=907×(401-394)=3/6-2/6=651-117×5=262+(855-67)=147-(127-111)=743-451+259=532+228+315=588-10+919=331×(821-817)=112+714-592=957+347-221=657-(320-288)=210-138+121=826-(932-232)=210-(179+17)=757-144=808-86×9=177×5-614=432+(428-425)=162×5=135×(497-489)=442-39×8=771-(486-439)=696+(522-505)=454-227=637-(219+323)=2/5-1/5=485-483+13=158×6-564=103×8+297=808-157+341=960+332-73=477-(17+291)=831-234×2=821+470+296=572-(401-328)=151+163=205×3=265×5-869=929-(560+106)=216-43-34=242-70+85=304-135=730-(79+576)=29×(64-58)=893-503=92×(114-109)=65+72-73=604-58×9=519-(586-375)=321-(51+244)=216×2=405×2-631=942×(363-357)=103×6-272=428-36×6=102+(159-123)=487×2=692+40+193=147+803-164=524-67×5=645+249=429-188-239=333-89=426+(326-201)=916-(515+44)=287-(30+238)=326+(365-202)=238×8-306=370+17+193=168×2=919-626-171=744×(671-666)=421-20×2=287-63=421-(122+246)=111×(399-393)=382+(845-668)=189+430+95=321+61=108-91=903-60×4=363+(503-456)=745-636=390-130-19=35+(293-206)=154×(360-352)=17×4=996-(205+317)=222+64=366-(137+88)=877-(31+462)=77+272=266-153+73=891+448-706=318-295+387=558+(941-698)=417×2-251=673-(256+376)=334+847-82=942-116×5=927+144-583=412-377+106=227+176=786+355+416=732-352+495=298-178+981=207×8-854=71×6+414=39+(444-227)=358+(596-270)=195-50+57=206+(195-141)=365-113-111=180+48×2=449×2=499-357+177=336-135-63=15×2+390=921-648+907=411-323+389=212×(330-326)=199+682+96=109×2+265=800+202+893=416-179=863-(270+532)=892-(574-335)=326-(276-233)=216+22×8=196×2+197=972-35×8=387+45+224=994-224-712=117+664=397-(13+180)=434+80×7=850+629-346=564×4=948-28×5=337-35×2=940+190-362=408-181=442-(164+84)=66+35×4=434+299×2=2/6+3/6=348+(53-43)=612-404-34=627-427=299-(44+46)=558-186×3=69+(805-228)=477×2+980=198-(255-243)=14×7+438=721-(113+441)=403-(267+78)=465×2+218=911-(211+507)=1/4+2/4=729×(938-931)=661-(928-883)=179×5+649=637×2=553×6=134-102+44=453+199+922=408+739-289=430-109-273=177+499+133=407-238-146=899-499=3/8-2/8=257×8=526-157×3=374×7=498×2-181=293×(514-510)=41+313+253=75×(256-247)=476-(406+51)=331-41+26=729-(460-76)=208×(173-169)=512+(749-258)=522-(661-334)=268+49=34×2=47×9=498-(321-195)=473×2-268=337-145-25=225×(63-56)=328×(971-964)=139+87=180+71×4=36×7+354=32×2=35×6=453+(358-284)=90+281=115+354-41=938+685=566+(783-95)=13×9+251=109×3=99+(197-100)=976+167=970×8=960-(879-94)=128-40=578+(543-496)=196×5-737=6/10+2/10=267+680-212=451-298+230=462×5-203=367+(254-36)=393-177×2=464×2-186=827-141-541=161×3+367=397-(149+29)=174+277=316-186+566=985-335=422-383-37=189+47-97=97-22×4=78×(232-224)=402-59×2=261+(348-50)=457+86×6=310-138=70×8=122+140-48=392-61=343+163×3=898-372+380=384-58×6=94-(17+19)=132+(498-82)=591-(129+246)=838-(911-106)=58×(86-79)=908×7=5/9-3/9=781-647=358-(330-74)=175+34+385=885-72-54=360-43-181=227-43×4=643×4=59×(173-167)=653+634-105=2/3-1/3=268×5-511=447-21×4=42+107-126=809-362+260=922-(350+247)=197-21×9=761-42×5=498-17=612-94+472=572+(617-452)=73+734+124=45×3+233=375-(72+194)=48×2=470+(560-498)=293-75+271=712×8-898=219+392=672-39×6=561+250=208+40×9=520-37-72=189×4=685+(830-85)=402-239-96=331+50×4=567×(780-777)=167-51=75×3+808=937-38=421-(141+55)=599-585+579=138+53×5=28+(435-116)=312×2+991=615-179-340=440+519=51+177=906-423-338=242-(17+25)=790-107-212=473-39×3=4/7-2/7=281×2-371=813+10+631=163-13×3=205-177+292=346-(260-126)=455+205+793=706×7-865=384×4=995-(364+293)=433+(215-35)=472+(795-134)=88+33+593=419+(804-27)=205-16×9=618-345+710=173×(31-28)=5/8+2/8=671-503+78=66+416-188=458-(163+118)=112+307=104×(307-299)=259-13-22=116×4-426=105×(280-277)=882-67×6=130-66+36=5/7+2/7=61-15=551×8-482=384×2-187=373+132=2/7+4/7=457-(204-48)=175+158×5=473+170+204=258-(366-121)=69+267=184+251-373=168×4=460-331=803×8-491=134×5=243+169-280=171+172=575-(84+368)=38×2+427=479-339-80=138+564=126+130×2=32×8-103=272+125=379+169×5=850+235+44=543-199×2=267×3-373=910+281×3=706+816-812=457×3=944-189-519=750-(651-467)=845-32×2=149+(290-57)=226-201=201×7-862=831-330=867-(39+53)=279-(67+115)=585×(392-387)=69+(425-136)=104×(472-468)=793-537=405-362-36=551-115-123=811+561-712=165×6-214=305+864-842=862×(309-304)=41×8=865×2=916+110×4=43+56+228=708-442-33=135+194-214=989-719+150=568-465=492-433=233+118=917-360-446=891-142-362=45+414-201=846×7-126=396-252=474-98×2=319×2=173+52×2=303-239=645-184×2=435+966+755=98×(251-246)=903+517-395=63×3=498-44=165+272=439-109×3=484×2-210=688+305-135=891-(859-102)=106×3+332=959+58-925=427-358+886=76×4=100+313=401-356=559-236=274-64=112+349=734-360=94+234×3=453-287+521=31+(224-13)=735×(689-680)=303+16-51=232+758-477=159×5=242-(441-400)=449-171×2=335×(273-265)=750+104-497=171+156-305=270-112+613=279-42×6=877×(732-725)=83+44+423=739+259+573=233-(229-142)=306+380=851+(637-517)=163-67=241-92-137=944-933+876=274+183-209=440-48×5=622-445=252-16-132=493-75-269=852+787-554=1/8+4/8=466+(392-102)=739+236+880=463×4-909=135×3=7/10+2/10=572+110+116=91×6=273-15×5=659-(742-182)=681×5=386×5-174=102×8-450=238-(566-369)=368-(295-59)=43×3+244=280×(37-30)=205×2=270+990-539=778-(889-352)=774×9=571-135-206=213+201+459=21×8-61=453-85×2=829-699+615=341+(251-229)=87×9+827=919-442-174=127×3-346=259+76×7=599×9=449-361+383=252-(382-377)=307+341+116=375×3=85×(162-159)=60×3=429+741-359=1/5+2/5=160-150+257=3/10+7/10=32×6=466-362+19=409-(297+58)=300-(109-73)=151+156=39×(212-205)=436+49-304=595+967+806=380-(451-258)=945×(287-279)=78+326=84+(575-189)=213+213-263=336×5-493=605+(462-119)=596+230=880-795=149×(895-888)=104-45+372=418+697-698=418-259-137=520×(820-815)=46+78=107×8-404=107×4+42=156+(346-85)=401-99-281=313+(305-97)=812-(925-603)=812-149-227=495-20+176=995-683-74=456-(11+325)=152+590+16=900-269-254=226×3=498-451+442=373×2=406-17-335=925-(911-476)=273-54×3=96×(16-13)=603+608=69-(267-200)=973+(921-797)=23+258-130=267+(472-294)=436-(139-102)=482-110-77=908+(390-239)=304×2-554=171+327-282=888-(279+453)=650-(88+427)=685×6-934=385-(123+26)=723+10×2=437×6-149=331-158-35=974-(723-593)=154-129+937=498×(583-575)=428×2=926-83×6=183+(159-74)=570-(252+42)=538×8-811=255×3-427=参考答案151+594=745124×(499-491)=992126×5=630122×5=610397-40+358=715382-(280-168)=270287×2=574104×(124-115)=93625×(221-217)=10065+167-150=82699-(104+364)=231578+177=75540+82=122183+69=252220-(591-584)=21350×5=250920-(789+117)=14830+832-962=700417×2=834256×6-558=978610-550-11=49706-196-384=126142-(342-327)=127332+959=1291355-117+355=593823-233=590751-74×3=529897-(238+172)=487832-125×6=8227+266+638=931308+(161-117)=3525/7-2/7=3/7312-261=51770+(646-300)=1116361-185=176845-(824-555)=576203-(91+16)=96344-(262+41)=41620×7-770=3570222-48=174544+253+188=985744-688=5663+85=148112+228=340423+844+51=1318317-(226-78)=169253-242+351=362401-28×5=261129+60+167=356299-(29+227)=43321+159=480213-(350-226)=89189-158+319=350828×3-740=1744437+79+103=619443-(86+185)=172297+194=49180×6+432=912688-247-100=34147+700+68=81554+307=361122+112×7=90618×(166-162)=72495-161+127=461287+112×2=511856-(296+278)=282177×(143-140)=53192×9=828249×4+583=1579361+71=432327×3-638=343835×9=7515600-122+777=1255445-30-175=24084-83+19=20685-125×4=185264-68=196937+599-264=1272417×2-175=659273×6-337=130174-(274-206)=6372+168+297=837921+198×3=1515566+595=1161496-143-187=166242+125+369=736102-26-37=39492+94+315=901148×2+102=398840-(318+138)=384205+(308-191)=322899-346-384=169481-144-43=294140+49-122=67910-81×7=343159+34=193259-(176-66)=149488+18×7=614419-(124+260)=35392-30-220=142313-(86+201)=26272+163×5=108780+278+329=687381-78-50=253240-(449-384)=175850-63×7=40926+940+263=1229160×2-48=272750-(816-781)=715404-(306-171)=269326-267+68=12736×2=72151+308-225=234551+834+569=1954182×5-520=39033×(264-255)=297675×6-71=3979212+70-142=140169-82+189=27629×3+468=555255+620+48=923827×8=6616360+403+384=1147751×5-795=2960507+177=684572×3-428=1288170×(417-412)=850762-(50+48)=664496+(157-10)=64368×(338-334)=272783+182=965178+294-298=174233-30×2=173453+308=761968-953=15318+69+474=861372-261+118=229449-306+216=359141+157+965=1263322-154=168694-(838-484)=340999-45+901=1855288-111=17710+77×9=703858×(148-145)=257474+700+173=947185×2=370300-196+392=496489-287-143=5955×4+250=470572-268-102=202817-(899-876)=79420+235-182=73305-116×2=7386+307=393116+86×3=374209+366×2=941485-(656-480)=309244-(32+54)=158162+259+380=801141×4-19=545182+54=23679+466+226=77166×(126-120)=396163-76=87930-76×3=702837-(262+252)=323933+79+184=1196559-109-429=2168+97-74=91848-(135+472)=241133×(477-472)=665122+348=470117+344-221=240175+114-132=157457-(390-275)=342286-(812-575)=493/9-2/9=1/9326×3+101=1079204+804+927=1935387-29×4=271376-121=25566×7=46240+(38-26)=52904×5-736=3784579-(721-329)=187643×(568-563)=3215821+(691-131)=1381426-(434-301)=2934/8+2/8=6/84/9-2/9=2/9383-40×6=143331-35=296201+23-88=136546-(604-533)=475584×(464-460)=2336456-81-219=15616+46+628=69037×7+868=112772×(118-109)=648277×8-576=1640127×5+245=880308-27×2=254234+261×2=756112-76=36379-160×2=59316+735=1051164×(186-180)=984345×2-34=656427-370=57794-758+933=969224+173-277=120235+225=460531-141=390130+844+535=1509391-322+149=21873-32×2=9506-495+75=86683-76×2=531154+91-179=66363+(217-20)=560430-132×3=344/8-2/8=2/887+25=1122/8-1/8=1/8976-30×7=766951×3=285356+572-125=503615+270+460=1345451+105+17=573794-100×6=194471-(62+354)=55324+132=456185+66-232=19220+(281-107)=394247-(62+74)=111904×(958-954)=361639×(130-122)=312290-(251-101)=140155×4+57=67792-75+166=183770×8=6160264×3-36=756386-17-73=2962/10+8/10=1388+(653-40)=1001459+199=658300+159=459155×3-247=218118×7-668=158472-165=30745+367+137=549213-60=153495-(274-184)=405368-316+122=174184+93-242=35880-224-103=553199×(201-197)=79683-(155-149)=77364+(469-291)=542702×(548-542)=4212263-(475-468)=256985-740=245837+77×9=1530342-(108+38)=196336-177-47=112683+(897-580)=1000383-63×2=257175+(243-229)=189347+835+865=2047450-260=190150×(254-248)=900817-(318+437)=62137+157+933=1227402×2-620=184198×(507-503)=792586+731-200=1117916+729+733=23782/4-1/4=1/4886+(945-668)=1163754+445=1199129×3-231=156961-458+568=1071102×2+313=51798×4=392408+(187-175)=420988-70-810=108706-(589+44)=73358-(29+266)=63843×(268-259)=7587671+(423-88)=1006218+36-118=136913-95=818918-(28-19)=909493-(195-35)=333473-40=433310×2-139=481883-629=254479-231×2=17870-293=577182×2=364257+215=472182+863+49=1094983-780-63=140765+(584-289)=1060282+222+295=799907×(401-394)=63493/6-2/6=1/6651-117×5=66262+(855-67)=1050147-(127-111)=131743-451+259=551532+228+315=1075588-10+919=1497331×(821-817)=1324112+714-592=234957+347-221=1083657-(320-288)=625210-138+121=193826-(932-232)=126210-(179+17)=14757-144=613808-86×9=34177×5-614=271432+(428-425)=435162×5=810135×(497-489)=1080442-39×8=130771-(486-439)=724696+(522-505)=713454-227=227637-(219+323)=952/5-1/5=1/5485-483+13=15158×6-564=384103×8+297=1121808-157+341=992960+332-73=1219477-(17+291)=169831-234×2=363821+470+296=1587572-(401-328)=499151+163=314205×3=615265×5-869=456929-(560+106)=263216-43-34=139242-70+85=257304-135=169730-(79+576)=7529×(64-58)=174893-503=39092×(114-109)=46065+72-73=64604-58×9=82519-(586-375)=308321-(51+244)=26216×2=432405×2-631=179942×(363-357)=5652103×6-272=346428-36×6=212102+(159-123)=138487×2=974692+40+193=925147+803-164=786524-67×5=189645+249=894429-188-239=2333-89=244426+(326-201)=551916-(515+44)=357287-(30+238)=19326+(365-202)=489238×8-306=1598370+17+193=580168×2=336919-626-171=122744×(671-666)=3720421-20×2=381287-63=224421-(122+246)=53111×(399-393)=666382+(845-668)=559189+430+95=714321+61=382108-91=17903-60×4=663363+(503-456)=410745-636=109390-130-19=24135+(293-206)=122154×(360-352)=123217×4=68996-(205+317)=474222+64=286366-(137+88)=141877-(31+462)=38477+272=349266-153+73=186891+448-706=633318-295+387=410558+(941-698)=801417×2-251=583673-(256+376)=41334+847-82=1099942-116×5=362927+144-583=488412-377+106=141227+176=403786+355+416=1557732-352+495=875298-178+981=1101207×8-854=80271×6+414=84039+(444-227)=256358+(596-270)=684195-50+57=202206+(195-141)=260365-113-111=141180+48×2=276449×2=898499-357+177=319336-135-63=13815×2+390=420921-648+907=1180411-323+389=477212×(330-326)=848199+682+96=977109×2+265=483800+202+893=1895416-179=237863-(270+532)=61892-(574-335)=653326-(276-233)=283216+22×8=392196×2+197=589972-35×8=692387+45+224=656994-224-712=58117+664=781397-(13+180)=204434+80×7=994850+629-346=1133564×4=2256948-28×5=808337-35×2=267940+190-362=768408-181=227442-(164+84)=19466+35×4=206434+299×2=10322/6+3/6=5/6348+(53-43)=358612-404-34=174627-427=200299-(44+46)=209558-186×3=069+(805-228)=646477×2+980=1934198-(255-243)=18614×7+438=536721-(113+441)=167403-(267+78)=58465×2+218=1148911-(211+507)=1931/4+2/4=3/4729×(938-931)=5103661-(928-883)=616179×5+649=1544637×2=1274553×6=3318134-102+44=76453+199+922=1574408+739-289=858430-109-273=48177+499+133=809407-238-146=23899-499=4003/8-2/8=1/8257×8=2056526-157×3=55374×7=2618498×2-181=815293×(514-510)=117241+313+253=60775×(256-247)=675476-(406+51)=19331-41+26=316729-(460-76)=345208×(173-169)=832512+(749-258)=1003522-(661-334)=195268+49=31734×2=6847×9=423498-(321-195)=372473×2-268=678337-145-25=167225×(63-56)=1575328×(971-964)=2296139+87=226180+71×4=46436×7+354=60632×2=6435×6=210453+(358-284)=52790+281=371115+354-41=428938+685=1623566+(783-95)=125413×9+251=368109×3=32799+(197-100)=196976+167=1143970×8=7760960-(879-94)=175128-40=88578+(543-496)=625196×5-737=2436/10+2/10=8/10267+680-212=735451-298+230=383462×5-203=2107367+(254-36)=585393-177×2=39464×2-186=742827-141-541=145161×3+367=850397-(149+29)=219174+277=451316-186+566=696985-335=650422-383-37=2189+47-97=13997-22×4=978×(232-224)=624402-59×2=284261+(348-50)=559457+86×6=973310-138=17270×8=560122+140-48=214392-61=331343+163×3=832898-372+380=906384-58×6=3694-(17+19)=58132+(498-82)=548591-(129+246)=216838-(911-106)=3358×(86-79)=406908×7=63565/9-3/9=2/9781-647=134358-(330-74)=102175+34+385=594885-72-54=759360-43-181=136227-43×4=55643×4=257259×(173-167)=354653+634-105=11822/3-1/3=1/3268×5-511=829447-21×4=36342+107-126=23809-362+260=707922-(350+247)=325197-21×9=8761-42×5=551498-17=481612-94+472=990572+(617-452)=73773+734+124=93145×3+233=368375-(72+194)=10948×2=96470+(560-498)=532293-75+271=489712×8-898=4798219+392=611672-39×6=438561+250=811208+40×9=568520-37-72=411189×4=756685+(830-85)=1430402-239-96=67331+50×4=531567×(780-777)=1701167-51=11675×3+808=1033937-38=899421-(141+55)=225599-585+579=593138+53×5=40328+(435-116)=347312×2+991=1615615-179-340=96440+519=95951+177=228906-423-338=145242-(17+25)=200790-107-212=471473-39×3=3564/7-2/7=2/7281×2-371=191813+10+631=1454163-13×3=124205-177+292=320346-(260-126)=212455+205+793=1453706×7-865=4077384×4=1536995-(364+293)=338433+(215-35)=613472+(795-134)=113388+33+593=714419+(804-27)=1196205-16×9=61618-345+710=983173×(31-28)=5195/8+2/8=7/8671-503+78=24666+416-188=294458-(163+118)=177112+307=419104×(307-299)=832259-13-22=224116×4-426=38105×(280-277)=315882-67×6=480130-66+36=1005/7+2/7=161-15=46551×8-482=3926384×2-187=581373+132=5052/7+4/7=6/7457-(204-48)=301175+158×5=965473+170+204=847258-(366-121)=1369+267=336184+251-373=62168×4=672460-331=129803×8-491=5933134×5=670243+169-280=132171+172=343575-(84+368)=12338×2+427=503479-339-80=60138+564=702126+130×2=38632×8-103=153272+125=397379+169×5=1224850+235+44=1129543-199×2=145267×3-373=428910+281×3=1753706+816-812=710457×3=1371944-189-519=236750-(651-467)=566845-32×2=781149+(290-57)=382226-201=25201×7-862=545831-330=501867-(39+53)=775279-(67+115)=97585×(392-387)=292569+(425-136)=358104×(472-468)=416793-537=256405-362-36=7551-115-123=313811+561-712=660165×6-214=776305+864-842=327862×(309-304)=431041×8=328865×2=1730916+110×4=135643+56+228=327708-442-33=233135+194-214=115989-719+150=420568-465=103492-433=59233+118=351917-360-446=111891-142-362=38745+414-201=258846×7-126=5796396-252=144474-98×2=278319×2=638173+52×2=277303-239=64645-184×2=277435+966+755=215698×(251-246)=490903+517-395=102563×3=189498-44=454165+272=437439-109×3=112484×2-2