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312+(328-191)=215+331=790×(988-979)=659-626-14=223×(634-631)=190+257-198=58+200-185=131-41=447-(470-231)=484-50-263=148×4+23=139+158+194=79+379-440=138×(432-426)=155×(278-275)=619-229=154+108×2=413+385+892=20×4+138=2/4-1/4=951×4=13×3=2/9-1/9=601-593+349=434-30×8=144×7-181=769-61+805=434-84-120=184+48=458-207+142=887×9-61=299-(160-119)=366-15=404-(484-408)=764+(456-428)=327×2=3/6-2/6=368+116-330=215-75×2=974+(925-430)=964-(623-163)=646+(970-111)=308-(196+25)=350-(27+115)=342×2+208=206+70=109×2-167=458+(419-212)=61×7-285=251+(267-266)=196-76+145=794+(941-717)=305-59+66=293×(270-267)=582×9-820=400+19+772=326-130=591+342-269=792-(44+561)=478+(367-333)=311×3+478=816-89×4=157-129=375+40-238=996-681=1/6+3/6=764-(521-391)=329×3+221=74-(451-413)=84×(206-202)=820+(388-287)=545×6=308+712-485=773×(532-528)=191+572+77=26×4=95×9-133=488-(421-168)=389-57-56=963-(149+575)=162×(401-398)=770-182=292-45×4=835+110-679=50+306+155=404-36-120=458-(41+26)=2/3-1/3=404-293+151=639-47×7=681+(895-44)=199-26×5=111×4=771+(978-968)=257×(363-360)=245+59-230=719-(187+151)=144-106=681+335-305=329+93=925-299-299=500×(499-496)=989+657+116=852-258+384=87+(130-20)=747×8-878=25×(84-81)=368-13×5=398+139=315-137=329+271=473-82=765-58-521=456-(279-171)=830+717+714=377×2-105=267+47-72=791+39-217=632+(762-205)=236×4-333=765+(815-766)=97×(378-369)=491+(808-425)=359+348=40×(309-301)=851-(753-520)=113×3+573=522-99+488=685×(386-377)=797-229+220=962-21×5=924-87×5=660-(590-303)=135×(182-175)=164×9=407+25×8=25×4=846+(761-350)=78+535-173=706+228-870=203+251+183=298+11+257=936-203=16+326-178=62×4=91×(279-273)=453-34×3=439-90=378-257+296=379+98=248+22×8=179-82×2=251-220+353=920-363×2=909-523-204=346-37×6=201+158-192=165+271=772-(105+436)=118+(496-379)=94×(53-45)=722-53-501=307-(357-222)=34+80=944-(327+560)=702+889+610=119+647=492-(109+228)=191+296-191=730×(181-175)=645-(69+506)=872+(643-136)=74+138+540=488-13-249=511×3-835=174×(397-392)=163-(27+106)=77+294+275=181+286+827=116×(25-21)=196+(290-178)=246×4-811=347+(345-304)=373+32×5=830-(969-192)=123+89=391×8-558=778-181-75=484+766-387=220+(443-105)=334+102×9=162×2=253+590-575=137×6-438=314-63×3=840-19×5=970-56-34=955-(608-138)=968-937=863-36-767=907+423+954=260-250=18+464-408=137+303-370=534+200+194=433+(338-145)=78+538+307=162×3=821-244+593=588+(897-463)=134×(428-423)=202-(345-181)=453×2+33=932-505+545=548-123=583+(277-18)=423-353+212=375+(470-361)=3/7+2/7=255-121+30=622-69+687=612×(850-843)=361×2=223-(760-579)=203×3-268=76×2+658=591×7-537=142+61=79-(151-101)=11+(236-19)=838-117×3=675-208-379=499×9=72×3=498-34×6=202-150=674×8-318=760-(494+12)=357-(168-66)=18×(53-48)=415-(105+175)=211-(404-204)=250×8-847=348-215+782=55×(39-31)=985×(293-286)=680×5-439=694-99-354=979-524=99+293=39+173=80×2=874-(234+421)=215-42=423-320=113+171=486-67×4=968+924=345-(457-426)=448+527=340-133×2=468+36×9=212+18-204=67×4=783+131=743×2-83=434-222-12=772×4-55=108×3=234×7=197×2+307=984-(885-458)=168+179×2=434-(706-456)=262+(433-225)=953-517-238=600×8-233=260+178-34=24×7+386=512-(236+140)=309-(337-202)=473-(74+200)=302+104=424-403=678-563-56=31+416×2=99+80=743-(237+155)=326×3=787-134-328=406-44-298=34×2+296=339-28×2=82×2=946+147×5=409+965=437×7=80+30+725=119×6-583=461-444+605=234-124+111=193+16×6=240×4=996-(490+256)=94+65+96=410+69-259=225+203=426-(104+241)=281×(712-709)=480×7=450-(234-27)=303+(992-185)=474-26=896×(762-753)=430×2+36=686-563+509=259-(118-86)=14+300+254=367×2-490=495+(779-716)=87+55×3=473-(30+252)=429-(30+127)=635-434+340=804-(879-312)=589-39-524=337+148-382=428+(362-351)=459-105=259-21×4=729-(154+189)=128×4=93+620+97=477-(482-219)=462×9-790=572+840=117-(987-871)=494-246=678-76×6=87+305=3/5-1/5=772×(358-352)=301-(266-16)=477-222=296-181+217=975-65-689=97×(359-354)=178×5-186=627+867+290=208×(938-930)=415-(274-241)=365+39×3=166-88=282+716-582=438-20+114=139-(11+65)=709-313=71+342=763-(181+577)=135+129-189=74+380=6/9-1/9=218-(260-52)=323-164=176+266=1/8+5/8=874+665-34=302+453=70×2=18+201-73=985+(769-84)=386×2+142=407-56+68=110-61+31=421×7=10+34=317-(417-275)=221-(224-30)=927×(690-681)=210×(821-815)=779-122=990-555+832=42×(388-385)=484×2=644-44×7=149-34×2=431-96×3=478+154×3=744-28×8=233×8-98=162-106-35=401-333=668+29×2=431+47-298=101+273+147=882+853-729=200+55+402=222+547+203=242+12+584=547×(719-713)=252+282×3=16×(476-471)=493×2-850=742×4=942+429-797=797-(52+109)=192+(115-101)=870×9=905-(459-198)=995-(338-217)=957-764+863=935+207-828=362+260=84+533+421=673+(720-229)=314-52×4=946-(587-10)=420-(65+286)=157×4+188=497-(665-458)=3/7+4/7=888-126=924-250=626+359=961-(294+602)=142×4-36=424+33×5=708+591-516=229-115+248=115+404×2=421-(116+270)=446-15-211=114×8=158-124+45=354-(149+68)=106×4-140=909×4=886-788+612=111+(436-95)=137×(211-206)=60+48×5=903-869=410+78-101=391-259-68=700-65-445=532-(665-404)=433-337=59×7=575-39+219=278×3=410×2-694=441+332-191=347-(151+131)=91×4+374=76×(280-276)=36×3=254-193+140=148-18×6=354+60-326=87×2=301-147×2=169+(225-140)=43+411-168=879×9-12=329+(137-13)=525+(729-707)=68+429+686=866-(790+59)=5/7-2/7=123×(165-157)=478-266+21=232+491-200=331+(354-182)=2/6+4/6=180+282-231=423+251+406=74+206-115=429+682=424-14-323=237×(194-191)=465-60-330=127×(165-162)=862×(840-834)=981×(148-143)=39+188+631=875-121×2=241-(16+154)=37+114-47=335-(186+107)=351-329-14=207+261=382-(212+166)=488-241-143=328-214+68=740-93+164=416-243+314=925-346-276=488-428=858+101×5=479-(438-371)=480-117×3=305+(413-189)=119-(15+47)=503-(122+106)=369-82=280-(178-60)=466-(167+234)=752-(902-824)=17+57×7=487×6-580=259-81×3=200+(282-260)=123×2+468=252-233+310=2/7-1/7=132+273=762-(57+601)=481+294+98=988-116-671=259+140+241=863-193×2=453-34-288=214+199=311+168+156=318×3=191+907=862+325=821-206=759-(717-349)=466-105×3=352+434×2=206×2-192=239-225+332=184×(213-204)=14+222+967=885×7=492-458+250=148+839-668=780-(670-212)=394+198-557=420-108-82=205×4=979-513-326=922+263-130=27+404+388=121+578+282=894+(668-136)=971-(559-81)=160×2+153=54+93×9=282-120+201=53×6-265=492-264+74=376-75×2=614+682=513-413+575=319-65×4=660+807+697=273×(39-36)=5/8-2/8=520×8-861=11+880-739=831+(862-242)=94+182=393-17×5=117+151-142=434-(64+225)=677+67+13=428-231=708×9-965=289+(452-261)=274-172+47=893-(533+355)=440+824=108×5-162=72×(418-414)=589-51×3=131-81=1/4+2/4=446-(182+169)=972×6=75×(800-795)=408×2-439=324-37-117=23+237-192=818+713-745=594×(950-944)=528-(214+191)=643×2=387+(458-355)=798-(69+418)=462+269+244=915-771=343×6-507=319-246=363+385=4/6+2/6=796-(450-335)=262+70-310=969+(595-209)=685×7=37+(297-278)=845+17+712=375-38×5=70+231=476-12×7=172×2=373-128-165=142+310+338=379×9-396=746-(948-332)=436-(116+51)=953+992=471+140×2=98-43×2=23+144×2=891×6=130×2+496=224+89=148×(112-107)=6/8-1/8=494+63+497=54×(197-194)=264+65=183×3-539=485-(198-145)=175-92=550+438=303×2-183=303-(926-660)=936-(730+148)=1/7+5/7=986-185-650=244-(86+156)=309-251=899-122×6=755×(379-370)=4/7+2/7=408-34-28=357+(937-844)=273-31=132-(208-206)=931-425=860-38=621-208-14=236-18×9=906-319+72=468-65×5=237+(728-315)=968+674+788=783+82-346=322-49-16=954-(953-359)=581×(412-403)=593-181×3=151-96-22=664-146-299=941+620+144=583+232+69=72×7-95=937+12-814=862-835+299=33+230-252=845+(908-813)=955×6=49+559+346=252+235-216=729+(997-724)=279-203+123=687×8-294=404-50×8=263-74×3=564+935+518=42×6+370=423-(141-69)=209+581+701=394-86-284=56+761+151=173+(420-395)=479-(417-190)=146-96-30=482-81×4=728×5-907=517+25+688=277×2=172×(261-258)=382+370+173=453-153-293=173×3=493-(349+138)=232×5=81+(147-83)=197×2-154=853-163+326=477-87×4=387×2+186=228+(126-59)=400-23×3=414+58-408=379-281+220=846×4=278-(422-161)=738-148+267=2/8+5/8=605-420+985=582-43×4=289×(208-201)=483-(86+15)=128+262+199=160×(180-174)=188+(920-337)=419-219-20=233+30×8=675-396=383-198-114=729-(723-175)=680×6=186×3=131+287=269+415-401=369×8-467=51×(813-804)=249+89=457-64=598-497=149-(87+51)=113×7-339=182+979+304=251-230+180=572-76-451=67×8+166=421-(480-433)=718-513=86×5=787×8-702=376-27×4=495-482+331=291+162=536+59×4=677×(385-376)=465-140-16=1/5+3/5=794-(231+113)=154+621+487=666-(65+226)=130×6+133=827+467=60×8+197=199×(492-487)=102×4=489-220=992-455=477-(288+159)=53+111=467-158-154=832+321=23+269-33=199×7-253=637+409-735=888+609=28+382+987=30+140×2=70+104=491+24+328=570+(734-372)=52+43=599-360+870=151×2+48=330+94=969-785-63=69+881+731=817+127×2=427×6=771-(853-264)=364-35-170=384+(401-150)=46×7-268=975×8=416-387+457=509+935-798=390-201+254=65+(386-106)=472+(395-44)=666-102=237-132=104×2+349=124×5+183=904×6-660=308+96=190+305=426-11×3=367×6-667=149×5+221=224×3+22=374-359=244+(754-730)=429-189+50=833-422=795-187×2=263-40×4=984-124×7=122×5-336=141-45=778+689-997=161-(44+54)=427-(54+323)=925×9=798+995+415=907-(215+49)=505×9=339+593+423=5/8-1/8=108×5-135=4/10-2/10=455-145-142=922-(316+493)=24+297+268=483-(313+150)=241-12×7=245×2-266=947-106=979-68×8=724-(49+120)=919-383+369=958-91×5=356-110-106=230×4+562=481-270=136+105=720-553+803=185-22×8=335-178-132=762×2=69×6-401=964+759+118=229×4=692-561=744-328=726-167-282=355-(23+318)=395-(167+202)=652+(872-210)=341-87-93=415-(219-61)=133×5-42=71×(221-215)=886-70-745=134×(302-296)=791-320-41=822-230+216=28×(40-35)=261+160×3=997-(917-258)=224×4-469=60×2=1/5+2/5=39×3+233=444×8=155+85×5=178-(386-242)=132×4-382=349-(380-293)=483-(214-192)=90-37+212=参考答案312+(328-191)=449215+331=546790×(988-979)=7110659-626-14=19223×(634-631)=669190+257-198=24958+200-185=73131-41=90447-(470-231)=208484-50-263=171148×4+23=615139+158+194=49179+379-440=18138×(432-426)=828155×(278-275)=465619-229=390154+108×2=370413+385+892=169020×4+138=2182/4-1/4=1/4951×4=380413×3=392/9-1/9=1/9601-593+349=357434-30×8=194144×7-181=827769-61+805=1513434-84-120=230184+48=232458-207+142=393887×9-61=7922299-(160-119)=258366-15=351404-(484-408)=328764+(456-428)=792327×2=6543/6-2/6=1/6368+116-330=154215-75×2=65974+(925-430)=1469964-(623-163)=504646+(970-111)=1505308-(196+25)=87350-(27+115)=208342×2+208=892206+70=276109×2-167=51458+(419-212)=66561×7-285=142251+(267-266)=252196-76+145=265794+(941-717)=1018305-59+66=312293×(270-267)=879582×9-820=4418400+19+772=1191326-130=196591+342-269=664792-(44+561)=187478+(367-333)=512311×3+478=1411816-89×4=460157-129=28375+40-238=177996-681=3151/6+3/6=4/6764-(521-391)=634329×3+221=120874-(451-413)=3684×(206-202)=336820+(388-287)=921545×6=3270308+712-485=535773×(532-528)=3092191+572+77=84026×4=10495×9-133=722488-(421-168)=235389-57-56=276963-(149+575)=239162×(401-398)=486770-182=588292-45×4=112835+110-679=26650+306+155=511404-36-120=248458-(41+26)=3912/3-1/3=1/3404-293+151=262639-47×7=310681+(895-44)=1532199-26×5=69111×4=444771+(978-968)=781257×(363-360)=771245+59-230=74719-(187+151)=381144-106=38681+335-305=711329+93=422925-299-299=327500×(499-496)=1500989+657+116=1762852-258+384=97887+(130-20)=197747×8-878=509825×(84-81)=75368-13×5=303398+139=537315-137=178329+271=600473-82=391765-58-521=186456-(279-171)=348830+717+714=2261377×2-105=649267+47-72=242791+39-217=613632+(762-205)=1189236×4-333=611765+(815-766)=81497×(378-369)=873491+(808-425)=874359+348=70740×(309-301)=320851-(753-520)=618113×3+573=912522-99+488=911685×(386-377)=6165797-229+220=788962-21×5=857924-87×5=489660-(590-303)=373135×(182-175)=945164×9=1476407+25×8=60725×4=100846+(761-350)=125778+535-173=440706+228-870=64203+251+183=637298+11+257=566936-203=73316+326-178=16462×4=24891×(279-273)=546453-34×3=351439-90=349378-257+296=417379+98=477248+22×8=424179-82×2=15251-220+353=384920-363×2=194909-523-204=182346-37×6=124201+158-192=167165+271=436772-(105+436)=231118+(496-379)=23594×(53-45)=752722-53-501=168307-(357-222)=17234+80=114944-(327+560)=57702+889+610=2201119+647=766492-(109+228)=155191+296-191=296730×(181-175)=4380645-(69+506)=70872+(643-136)=137974+138+540=752488-13-249=226511×3-835=698174×(397-392)=870163-(27+106)=3077+294+275=646181+286+827=1294116×(25-21)=464196+(290-178)=308246×4-811=173347+(345-304)=388373+32×5=533830-(969-192)=53123+89=212391×8-558=2570778-181-75=522484+766-387=863220+(443-105)=558334+102×9=1252162×2=324253+590-575=268137×6-438=384314-63×3=125840-19×5=745970-56-34=880955-(608-138)=485968-937=31863-36-767=60907+423+954=2284260-250=1018+464-408=74137+303-370=70534+200+194=928433+(338-145)=62678+538+307=923162×3=486821-244+593=1170588+(897-463)=1022134×(428-423)=670202-(345-181)=38453×2+33=939932-505+545=972548-123=425583+(277-18)=842423-353+212=282375+(470-361)=4843/7+2/7=5/7255-121+30=164622-69+687=1240612×(850-843)=4284361×2=722223-(760-579)=42203×3-268=34176×2+658=810591×7-537=3600142+61=20379-(151-101)=2911+(236-19)=228838-117×3=487675-208-379=88499×9=449172×3=216498-34×6=294202-150=52674×8-318=5074760-(494+12)=254357-(168-66)=25518×(53-48)=90415-(105+175)=135211-(404-204)=11250×8-847=1153348-215+782=91555×(39-31)=440985×(293-286)=6895680×5-439=2961694-99-354=241979-524=45599+293=39239+173=21280×2=160874-(234+421)=219215-42=173423-320=103113+171=284486-67×4=218968+924=1892345-(457-426)=314448+527=975340-133×2=74468+36×9=792212+18-204=2667×4=268783+131=914743×2-83=1403434-222-12=200772×4-55=3033108×3=324234×7=1638197×2+307=701984-(885-458)=557168+179×2=526434-(706-456)=184262+(433-225)=470953-517-238=198600×8-233=4567260+178-34=40424×7+386=554512-(236+140)=136309-(337-202)=174473-(74+200)=199302+104=406424-403=21678-563-56=5931+416×2=86399+80=179743-(237+155)=351326×3=978787-134-328=325406-44-298=6434×2+296=364339-28×2=28382×2=164946+147×5=1681409+965=1374437×7=305980+30+725=835119×6-583=131461-444+605=622234-124+111=221193+16×6=289240×4=960996-(490+256)=25094+65+96=255410+69-259=220225+203=428426-(104+241)=81281×(712-709)=843480×7=3360450-(234-27)=243303+(992-185)=1110474-26=448896×(762-753)=8064430×2+36=896686-563+509=632259-(118-86)=22714+300+254=568367×2-490=244495+(779-716)=55887+55×3=252473-(30+252)=191429-(30+127)=272635-434+340=541804-(879-312)=237589-39-524=26337+148-382=103428+(362-351)=439459-105=354259-21×4=175729-(154+189)=386128×4=51293+620+97=810477-(482-219)=214462×9-790=3368572+840=1412117-(987-871)=1494-246=248678-76×6=22287+305=3923/5-1/5=2/5772×(358-352)=4632301-(266-16)=51477-222=255296-181+217=332975-65-689=22197×(359-354)=485178×5-186=704627+867+290=1784208×(938-930)=1664415-(274-241)=382365+39×3=482166-88=78282+716-582=416438-20+114=532139-(11+65)=63709-313=39671+342=413763-(181+577)=5135+129-189=7574+380=4546/9-1/9=5/9218-(260-52)=10323-164=159176+266=4421/8+5/8=6/8874+665-34=1505302+453=75570×2=14018+201-73=146985+(769-84)=1670386×2+142=914407-56+68=419110-61+31=80421×7=294710+34=44317-(417-275)=175221-(224-30)=27927×(690-681)=8343210×(821-815)=1260779-122=657990-555+832=126742×(388-385)=126484×2=968644-44×7=336149-34×2=81431-96×3=143478+154×3=940744-28×8=520233×8-98=1766162-106-35=21401-333=68668+29×2=726431+47-298=180101+273+147=521882+853-729=1006200+55+402=657222+547+203=972242+12+584=838547×(719-713)=3282252+282×3=109816×(476-471)=80493×2-850=136742×4=2968942+429-797=574797-(52+109)=636192+(115-101)=206870×9=7830905-(459-198)=644995-(338-217)=874957-764+863=1056935+207-828=314362+260=62284+533+421=1038673+(720-229)=1164314-52×4=106946-(587-10)=369420-(65+286)=69157×4+188=816497-(665-458)=2903/7+4/7=1888-126=762924-250=674626+359=985961-(294+602)=65142×4-36=532424+33×5=589708+591-516=783229-115+248=362115+404×2=923421-(116+270)=35446-15-211=220114×8=912158-124+45=79354-(149+68)=137106×4-140=284909×4=3636886-788+612=710111+(436-95)=452137×(211-206)=68560+48×5=300903-869=34410+78-101=387391-259-68=64700-65-445=190532-(665-404)=271433-337=9659×7=413575-39+219=755278×3=834410×2-694=126441+332-191=582347-(151+131)=6591×4+374=73876×(280-276)=30436×3=108254-193+140=201148-18×6=40354+60-326=8887×2=174301-147×2=7169+(225-140)=25443+411-168=286879×9-12=7899329+(137-13)=453525+(729-707)=54768+429+686=1183866-(790+59)=175/7-2/7=3/7123×(165-157)=984478-266+21=233232+491-200=523331+(354-182)=5032/6+4/6=1180+282-231=231423+251+406=108074+206-115=165429+682=1111424-14-323=87237×(194-191)=711465-60-330=75127×(165-162)=381862×(840-834)=5172981×(148-143)=490539+188+631=858875-121×2=633241-(16+154)=7137+114-47=104335-(186+107)=42351-329-14=8207+261=468382-(212+166)=4488-241-143=104328-214+68=182740-93+164=811416-243+314=487925-346-276=303488-428=60858+101×5=1363479-(438-371)=412480-117×3=129305+(413-189)=529119-(15+47)=57503-(122+106)=275369-82=287280-(178-60)=162466-(167+234)=65752-(902-824)=67417+57×7=416487×6-580=2342259-81×3=16200+(282-260)=222123×2+468=714252-233+310=3292/7-1/7=1/7132+273=405762-(57+601)=104481+294+98=873988-116-671=201259+140+241=640863-193×2=477453-34-288=131214+199=413311+168+156=635318×3=954191+907=1098862+325=1187821-206=615759-(717-349)=391466-105×3=151352+434×2=1220206×2-192=220239-225+332=346184×(213-204)=165614+222+967=1203885×7=6195492-458+250=284148+839-668=319780-(670-212)=322394+198-557=35420-108-82=230205×4=820979-513-326=140922+263-130=105527+404+388=819121+578+282=981894+(668-136)=1426971-(559-81)=493160×2+153=47354+93×9=891282-120+201=36353×6-265=53492-264+74=302376-75×2=226614+682=1296513-413+575=675319-65×4=59660+807+697=2164273×(39-36)=8195/8-2/8=3/8520×8-861=329911+880-739=152831+(862-242)=145194+182=276393-17×5=308117+151-142=126434-(64+225)=145677+67+13=757428-231=197708×9-965=5407289+(452-261)=480274-172+47=149893-(533+355)=5440+824=1264108×5-162=37872×(418-414)=288589-51×3=436131-81=501/4+2/4=3/4446-(182+169)=95972×6=583275×(800-795)=375408×2-439=377324-37-117=17023+237-192=68818+713-745=786594×(950-944)=3564528-(214+191)=123643×2=1286387+(458-355)=490798-(69+418)=311462+269+244=975915-771=144343×6-507=1551319-246=73363+385=7484/6+2/6=1796-(450-335)=681262+70-310=22969+(595-209)=1355685×7=479537+(297-278)=56845+17+712=1574375-38×5=18570+231=301476-12×7=392172×2=344373-128-165=80142+310+338=790379×9-396=3015746-(948-332)=130436-(116+51)=269953+992=1945471+140×2=75198-43×2=1223+144×2=311891×6=5346130×2+496=756224+89=313148×(112-107)=7406/8-1/8=5/8494+63+497=105454×(197-194)=162264+65=329183×3-539=10485-(198-145)=432175-92=83550+438=988303×2-183=423303-(926-660)=37936-(730+148)=581/7+5/7=6/7986-185-650=151244-(86+156)=2309-251=58899-122×6=167755×(379-370)=67954/7+2/7=6/7408-34-28=346357+(937-844)=450273-31=242132-(208-206)=130931-425=506860-38=822621-208-14=399236-18×9=74906-319+72=659468-65×5=143237+(728-315)=650968+674+788=2430783+82-346=519322-49-16=257954-(953-359)=360581×(412-403)=5229593-181×3=50151-96-22=33664-146-299=219941+620+144=1705583+232+69=88472×7-95=409937+12-814=135862-835+299=32633+230-252=11845+(908-813)=940955×6=573049+559+346=954252+235-216=271729+(997-724)=1002279-203+123=199687×8-294=5202404-50×8=4263-74×3=41564+935+518=201742×6+370=622423-(141-69)=351209+581+701=1491394-86-284=2456+761+151=968173+(420-395)=198479-(417-190)=252146-96-30=20482-81×4=158728×5-907=2733517+25+688=1230277×2=554172×(261-258)=516382+370+173=925453-153-293=7173×3=519493-(349+138)=6232×5=116081+(147-83)=145197×2-154=240853-163+326=1016477-87×4=129387×2+186=960228+(126-59)=295400-23×3=331414+58-408=64379-281+220=318846×4=3384278-(422-161)=17738-148+267=8572/8+5/8=7/8605-420+985=1170582-43×4=410289×(208-201)=