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136+(500-42)=415×2+329=895+53×9=499-356=148+138=593-(201-134)=793-154×5=111+150+67=743+998=249×(376-373)=261-(157+57)=175×2+531=467-255+116=351-261+200=360-(444-418)=111×6-304=3/5-1/5=282-143=963-(19+318)=42×2-57=369+79+536=255×(439-436)=315-53-193=424-(305-82)=128×2-71=42×3+416=496-32×3=924-(207+549)=821×(476-470)=29×6=709-44-202=66+(435-30)=151×(254-248)=243-23×5=392×8=430×2-449=113+84-49=969+162+190=709-82×5=24+(278-27)=339+(360-273)=221+162=817-409=544-18-385=339×6=13+102-47=237+946-189=973-47×5=279×4-425=243-186=18+402-360=801-139×3=2/8+4/8=36×8+152=194+(415-275)=3/7-1/7=390-276=499-(374+25)=450-340-10=160-29×4=220×8-569=528+857+520=185+190-257=136×(596-590)=333-136×2=200+198×3=284-(31+99)=434-35×9=490-(318-158)=658+121=443×2+372=468-(547-182)=972-(214+508)=32×2+491=77+162=318-181=488-(383-126)=393-40+135=439×2-273=250×2-228=931×(698-692)=687×6-771=112+588=494+328-811=201-67=368-(189+57)=17×8+170=890-49×2=276+(247-31)=123+84=490-(117+110)=697-(142+152)=707-(574+126)=251-32=81+85=371+962+48=464-(104+59)=374×3-24=93+253×2=531+(417-376)=210×2+167=225+100-128=133-28×2=870+599+548=127-74=447+105=97+248-74=31×6+318=427-(465-331)=445+(362-156)=68+175-212=916+507-23=474+64×6=259-240+385=505-(202+189)=2/7-1/7=445-161-206=930-(917-538)=384-84=513+132×2=77×(269-262)=26+586-19=161×(35-29)=3/6-2/6=396-52-332=964×3=487×8-256=543+(909-500)=327-272+337=574×8=239×3-492=95×8=334-72-94=312-(214+38)=351-32=177×(97-93)=275-55-64=274-(263-59)=79×2=304-(177+63)=408+(482-136)=162+87×3=160+734+762=33×(18-13)=347-35×4=994+784=84×5-291=926-737-174=438-366+292=488×2=498+(962-206)=456-80×4=240+54-52=236-93×2=301+(458-76)=202×8-108=467+795+746=913+334×2=447×2-806=851+716-950=46+672+200=271×9=706×3-797=498-389-100=37+(221-100)=698×8=548+302=76×9+134=106+576+630=195-(75+18)=425×9-853=382+(218-166)=440-85+126=970-759-35=917-29-307=215+64=273-196=302+134+77=322-267+52=75+273+443=385-(536-297)=379+(789-658)=31-(229-228)=447-382=513+(776-178)=800+598-807=318+145=18+330-15=796+52×2=697×3=743+369-704=71×9-276=150×5+972=729×7-173=1/9+5/9=678+829=383+26+159=3/4-1/4=689-487=879×(890-886)=454+57+367=494-208+100=502-295=390×8=307-158+261=721-129×3=572-246=71×(217-214)=757+123×4=139-62+192=230×4=208×2+171=82×8+913=124×6-205=954-225×4=459-(345-202)=446×9-634=447×(456-453)=265+436-241=184+843-54=82×4=218+15×4=79+213×3=74+110×5=468-36×8=309-(73-33)=173-(171-67)=413×2-388=11+11×7=914+(356-110)=480-49-322=994+574+524=945-160-82=273+(382-36)=193×4=419×(624-620)=682+239+386=114+36=472+514-978=546-368+629=356-294+116=458-21-231=436-(127+308)=387×9=219+232=110+404+34=764-26×2=991+330+239=399+(984-472)=286×2+198=222-167=313+(202-12)=168-70×2=726+173-496=659+(667-236)=962+889-867=794-524+458=179+184=473×(324-316)=317-11×6=446×(412-409)=163+290×3=425×7-34=11+294+599=856-452+389=129+183=477-(98+272)=815+139×5=871-554-89=943-791=2/7+4/7=111-(117-39)=436×2-233=158-123+44=336+(70-57)=939-437-477=254×8-81=70×3-198=5/8+3/8=415-400=133-32+804=201×4=418-247=82×8-628=331-72+155=836+463=823-(570-68)=411-325=476-(58+28)=136×7-921=836+848-16=408-(421-308)=568×(945-940)=209+278=580-175-360=2/4-1/4=689-154+416=683-650+856=83+307=35+761+409=523+(685-74)=407-95-306=869-622+571=132+(357-173)=364+879=396×7-458=708-(312+396)=953+(822-270)=940×(102-98)=714×(164-161)=351+454+251=126+149=877-(588+213)=49+123-138=477+222=464×2+752=254+13×8=963-210×4=108×(389-382)=232-48+113=292-24×5=635-103×3=405+75=186-(166-47)=159+98=439-208+498=68+335-197=512×5=736-392+295=765-(497-166)=638×4-249=324-221-69=69+428+253=303-(450-278)=471-182-278=88-19+89=332+26-320=843-413+318=222×6=531+988-812=469-33-385=134+293-263=949+(361-259)=712-(788-399)=349×(61-55)=298×2=149+505+65=486-(27+443)=932-667+447=233-(99+66)=125×2+910=265-(858-786)=921-292-128=954+125×4=204+396=23+489×2=373×4-543=868+326+658=961×(417-410)=235-(299-295)=44×(195-190)=211+576=466-182-197=102+214-288=490-28×4=770-597+588=122-47×2=483-(146+229)=20+455-195=862×7-610=123+114=357-96-241=461-(143-95)=848-275-521=28×9=648+347=919-314=127+371-137=286+(428-386)=226+714=106×(298-292)=612×(591-586)=670+358-791=265-95×2=44-28=192+262-196=397+(988-239)=478-59×6=84×4-204=448-349=378-137-153=873+784+212=360+(283-193)=544-(169+330)=192×5-260=778-569-159=818-644+964=308+320+265=1/6+4/6=384-(86+17)=956-(820-652)=258-(267-19)=422×2-731=4/8-3/8=394-11-255=902-(360+194)=829-632+828=81×(134-128)=230+524=364-163×2=46×9-319=6/10+3/10=90×6-348=161+72×7=198-144=454-66×6=261+934-582=717+756+935=769-(598-552)=640+653=269+78=276-(17+203)=20+(477-324)=36×7+429=531-146+993=836-55=761-(211+484)=662×5-452=406×2=439-272-45=850-(250-246)=464+20-389=37×(436-431)=210+243=34+228×2=48×(389-383)=22×(403-400)=317+745+542=713×(460-457)=573×3-130=556+470=188×4-679=103×4+423=437-283=909-(809-709)=77×(436-428)=703×5=99+135+299=355-44+50=2/6+4/6=482-110×4=159+318=36×7+450=262-(679-493)=935-(217+99)=419+155=985-77×9=278×3-106=575-88=646-304=229+193-11=299+68=329+36×7=66×5-220=716+(889-382)=883-(159+257)=741-358+212=398-(32+244)=219×(450-447)=441×(552-547)=997-359×2=813-305-353=545×9=731-76×9=397-67+84=990-22×5=305+(460-359)=646×(208-201)=972×3=175+(275-103)=217+(187-179)=221-(254-248)=399-85-59=328+(155-79)=90×9=607×3-237=180+388+334=301+(491-130)=101+22×6=439+206×2=391+41+496=823-(21+155)=681+78+40=5/6-1/6=53×(281-272)=715×(94-88)=907×(497-494)=327-49×3=81+202-229=496-(650-170)=268-28×3=429+131=839-327=245+474+313=271×3-498=890-400-269=255×3=33×9=465-(764-420)=356×2-339=808-123+453=419-315=402+156=801-675+737=366-25-36=330-95+117=461-376+901=354+279-599=952-68×2=154+81-63=251-(85-75)=123×3=29+446-14=638-(930-482)=2/10+7/10=992-344-241=566-(892-439)=727+266-656=649-(17+100)=266+80×2=149×3-29=372-(39+193)=719-28-246=88×8+14=6/8-1/8=955+(183-22)=113+(238-29)=403-248=52+21-44=173+(456-138)=216+(957-495)=640+(788-476)=215×(40-36)=741-(11+115)=340-25×4=976+576+770=106×9=181-(89-35)=254-(157+76)=154×6=382-330=299+(779-302)=126×(975-970)=393×(493-485)=892×(474-468)=663+(975-718)=414+(331-25)=771+200=798-79-61=623×9-275=726-433=376-(382-62)=763-(132+74)=312-22×2=437×7=126-124+27=778-(430+204)=800-457+890=343-(51+262)=769+(953-711)=253-107=299+(158-69)=211×9=340+(346-238)=243-187=190-49-62=110+331-232=191+59=26×(349-343)=212-(463-279)=11×4=36×8+932=438×2-109=639-367+591=782-111×7=65×2+61=329-(462-259)=127×2=126+602+109=324-17=377×2+236=319-(489-424)=52×5=88×(311-304)=474×(197-194)=136×2=460-(67+371)=930×5=633+69-306=104×5=34×6=402-215+168=1/10+5/10=277+76×7=2/6+3/6=46×5=704-76×8=582-(979-565)=908-558-167=449-(154+184)=19×8=402-(343+23)=501-62×5=213-189=318+(492-38)=394-103×3=829-86×8=42+210-36=403-28×9=503-100×3=470-44-307=952-(147+371)=583+462+421=647-(679-321)=307+(307-163)=481+75×2=99-(321-298)=562×3-562=293-243+260=851-502-262=127+114×7=203-20×2=457-84×3=792-290×2=522+59+254=133+213=31×(206-199)=811×5=569-(291+78)=911+225×4=454-(71+312)=493-37×4=526-(144+75)=225+557+331=215-174=767-48=99+307-296=945+945+232=962-93×4=105×(242-237)=214+21+177=230-(425-237)=434-392+200=875+874-409=154+95=444+(251-66)=441-88=650+644-796=122×2=461-214-173=353+641=162+591-419=436-(64+120)=472×9=285+190=435-(279-36)=64×(97-90)=373-354+26=273-40×5=482-119-323=33×3=317-226=360+75=31×(462-455)=434×6=893-(475-396)=815+(862-396)=113×7-431=905-(448+208)=725+594+749=680×(86-80)=318×2+226=387-172+203=4/7-3/7=455-111=176×9-370=112×(759-751)=464-230+248=396-17×8=750×(549-543)=465-202-203=790+393-609=786×3=906-549+523=33×(399-390)=3/6+2/6=463-49-77=103-10=152+(483-261)=231-22×2=171×4-225=602-72-42=489×3-736=44+(403-315)=610-294+474=61+117+640=333+127-22=56+193=991-482=411+41-205=239+(663-344)=545-495=37+(863-382)=406-313=435-(182-161)=456-(100+37)=238+86+203=126+100×5=516+513-386=453×3-547=350-282+295=259+161=405-395+207=899-(409+475)=82×(422-413)=74×(259-250)=967-160-662=254×2=59×(285-276)=6/9-3/9=852-417=196+(459-134)=711-(885-799)=41×(407-398)=65+443+160=886-(457+210)=700-401=346+272=782×2=552+460+691=976-49-697=864×2=948-525-275=367+281+172=558×(943-934)=317-177-122=707-191×3=307+691+114=467+28-217=245-109=453-185+26=322-51×2=115-(861-851)=463+933+313=218+29+38=833-30-702=484-(63+104)=953-179-679=66+186+600=188-109+414=140×6+134=707-510+968=90×5=20×(930-921)=83-(70-59)=440×2-216=385-(108+267)=523×2-499=962-(771-105)=308-(32+181)=62-(604-551)=868-546-147=567+594+14=741-(537-365)=244-(421-295)=380+(666-132)=383-245+298=984-(138-13)=386-252=445-(199+72)=464+158×6=23×7+494=380-(262-259)=191+276=446+(185-119)=660+(821-769)=939-(272+12)=209+(516-32)=109×8=25+361-145=3/6-1/6=139×2=707-75-453=588-561=575+589=399-36×3=487-(215+107)=96+191+387=857-(556+85)=439-270-163=354+275+415=72×3+247=303+342=482-(152+15)=188+397+963=32+151+735=404-77-156=137-23×2=425-228=658×4=279-78=536×(947-938)=412-72-100=390-92+678=79×3+368=105×7=771+275=62×7-159=492-416=220+175=56+41+320=270-260+325=360-108=396-151-70=254+82+373=857-839+566=228+441-126=368-(309-165)=256+221-375=452-40×2=594×9=854-618+607=294-26-56=240+936-161=70×2+261=661×4-129=88×(411-405)=210×3=679-186=340-(170+133)=1/8+4/8=778×3=583+283-378=859+687-551=444×2-760=195+389=286+181-135=987-22+328=576-100×5=932-408=26×7+131=479-(293-170)=245+156+539=345-316=161+677+31=597-341=773-(971-761)=40+125=246×3-414=233+305=640+392=163×6=196+97+692=427-337-82=参考答案136+(500-42)=594415×2+329=1159895+53×9=1372499-356=143148+138=286593-(201-134)=526793-154×5=23111+150+67=328743+998=1741249×(376-373)=747261-(157+57)=47175×2+531=881467-255+116=328351-261+200=290360-(444-418)=334111×6-304=3623/5-1/5=2/5282-143=139963-(19+318)=62642×2-57=27369+79+536=984255×(439-436)=765315-53-193=69424-(305-82)=201128×2-71=18542×3+416=542496-32×3=400924-(207+549)=168821×(476-470)=492629×6=174709-44-202=46366+(435-30)=471151×(254-248)=906243-23×5=128392×8=3136430×2-449=411113+84-49=148969+162+190=1321709-82×5=29924+(278-27)=275339+(360-273)=426221+162=383817-409=408544-18-385=141339×6=203413+102-47=68237+946-189=994973-47×5=738279×4-425=691243-186=5718+402-360=60801-139×3=3842/8+4/8=6/836×8+152=440194+(415-275)=3343/7-1/7=2/7390-276=114499-(374+25)=100450-340-10=100160-29×4=44220×8-569=1191528+857+520=1905185+190-257=118136×(596-590)=816333-136×2=61200+198×3=794284-(31+99)=154434-35×9=119490-(318-158)=330658+121=779443×2+372=1258468-(547-182)=103972-(214+508)=25032×2+491=55577+162=239318-181=137488-(383-126)=231393-40+135=488439×2-273=605250×2-228=272931×(698-692)=5586687×6-771=3351112+588=700494+328-811=11201-67=134368-(189+57)=12217×8+170=306890-49×2=792276+(247-31)=492123+84=207490-(117+110)=263697-(142+152)=403707-(574+126)=7251-32=21981+85=166371+962+48=1381464-(104+59)=301374×3-24=109893+253×2=599531+(417-376)=572210×2+167=587225+100-128=197133-28×2=77870+599+548=2017127-74=53447+105=55297+248-74=27131×6+318=504427-(465-331)=293445+(362-156)=65168+175-212=31916+507-23=1400474+64×6=858259-240+385=404505-(202+189)=1142/7-1/7=1/7445-161-206=78930-(917-538)=551384-84=300513+132×2=77777×(269-262)=53926+586-19=593161×(35-29)=9663/6-2/6=1/6396-52-332=12964×3=2892487×8-256=3640543+(909-500)=952327-272+337=392574×8=4592239×3-492=22595×8=760334-72-94=168312-(214+38)=60351-32=319177×(97-93)=708275-55-64=156274-(263-59)=7079×2=158304-(177+63)=64408+(482-136)=754162+87×3=423160+734+762=165633×(18-13)=165347-35×4=207994+784=177884×5-291=129926-737-174=15438-366+292=364488×2=976498+(962-206)=1254456-80×4=136240+54-52=242236-93×2=50301+(458-76)=683202×8-108=1508467+795+746=2008913+334×2=1581447×2-806=88851+716-950=61746+672+200=918271×9=2439706×3-797=1321498-389-100=937+(221-100)=158698×8=5584548+302=85076×9+134=818106+576+630=1312195-(75+18)=102425×9-853=2972382+(218-166)=434440-85+126=481970-759-35=176917-29-307=581215+64=279273-196=77302+134+77=513322-267+52=10775+273+443=791385-(536-297)=146379+(789-658)=51031-(229-228)=30447-382=65513+(776-178)=1111800+598-807=591318+145=46318+330-15=333796+52×2=900697×3=2091743+369-704=40871×9-276=363150×5+972=1722729×7-173=49301/9+5/9=6/9678+829=1507383+26+159=5683/4-1/4=2/4689-487=202879×(890-886)=3516454+57+367=878494-208+100=386502-295=207390×8=3120307-158+261=410721-129×3=334572-246=32671×(217-214)=213757+123×4=1249139-62+192=269230×4=920208×2+171=58782×8+913=1569124×6-205=539954-225×4=54459-(345-202)=316446×9-634=3380447×(456-453)=1341265+436-241=460184+843-54=97382×4=328218+15×4=27879+213×3=71874+110×5=624468-36×8=180309-(73-33)=269173-(171-67)=69413×2-388=43811+11×7=88914+(356-110)=1160480-49-322=109994+574+524=2092945-160-82=703273+(382-36)=619193×4=772419×(624-620)=1676682+239+386=1307114+36=150472+514-978=8546-368+629=807356-294+116=178458-21-231=206436-(127+308)=1387×9=3483219+232=451110+404+34=548764-26×2=712991+330+239=1560399+(984-472)=911286×2+198=770222-167=55313+(202-12)=503168-70×2=28726+173-496=403659+(667-236)=1090962+889-867=984794-524+458=728179+184=363473×(324-316)=3784317-11×6=251446×(412-409)=1338163+290×3=1033425×7-34=294111+294+599=904856-452+389=793129+183=312477-(98+272)=107815+139×5=1510871-554-89=228943-791=1522/7+4/7=6/7111-(117-39)=33436×2-233=639158-123+44=79336+(70-57)=349939-437-477=25254×8-81=195170×3-198=125/8+3/8=1415-400=15133-32+804=905201×4=804418-247=17182×8-628=28331-72+155=414836+463=1299823-(570-68)=321411-325=86476-(58+28)=390136×7-921=31836+848-16=1668408-(421-308)=295568×(945-940)=2840209+278=487580-175-360=452/4-1/4=1/4689-154+416=951683-650+856=88983+307=39035+761+409=1205523+(685-74)=1134407-95-306=6869-622+571=818132+(357-173)=316364+879=1243396×7-458=2314708-(312+396)=0953+(822-270)=1505940×(102-98)=3760714×(164-161)=2142351+454+251=1056126+149=275877-(588+213)=7649+123-138=34477+222=699464×2+752=1680254+13×8=358963-210×4=123108×(389-382)=756232-48+113=297292-24×5=172635-103×3=326405+75=480186-(166-47)=67159+98=257439-208+498=72968+335-197=206512×5=2560736-392+295=639765-(497-166)=434638×4-249=2303324-221-69=3469+428+253=750303-(450-278)=131471-182-278=1188-19+89=158332+26-320=38843-413+318=748222×6=1332531+988-812=707469-33-385=51134+293-263=164949+(361-259)=1051712-(788-399)=323349×(61-55)=2094298×2=596149+505+65=719486-(27+443)=16932-667+447=712233-(99+66)=68125×2+910=1160265-(858-786)=193921-292-128=501954+125×4=1454204+396=60023+489×2=1001373×4-543=949868+326+658=1852961×(417-410)=6727235-(299-295)=23144×(195-190)=220211+576=787466-182-197=87102+214-288=28490-28×4=378770-597+588=761122-47×2=28483-(146+229)=10820+455-195=280862×7-610=5424123+114=237357-96-241=20461-(143-95)=413848-275-521=5228×9=252648+347=995919-314=605127+371-137=361286+(428-386)=328226+714=940106×(298-292)=636612×(591-586)=3060670+358-791=237265-95×2=7544-28=16192+262-196=258397+(988-239)=1146478-59×6=12484×4-204=132448-349=99378-137-153=88873+784+212=1869360+(283-193)=450544-(169+330)=45192×5-260=700778-569-159=50818-644+964=1138308+320+265=8931/6+4/6=5/6384-(86+17)=281956-(820-652)=788258-(267-19)=10422×2-731=1134/8-3/8=1/8394-11-255=128902-(360+194)=348829-632+828=102581×(134-128)=486230+524=754364-163×2=3846×9-319=956/10+3/10=9/1090×6-348=192161+72×7=665198-144=54454-66×6=58261+934-582=613717+756+935=2408769-(598-552)=723640+653=1293269+78=347276-(17+203)=5620+(477-324)=17336×7+429=681531-146+993=1378836-55=781761-(211+484)=66662×5-452=2858406×2=812439-272-45=122850-(250-246)=846464+20-389=9537×(436-431)=185210+243=45334+228×2=49048×(389-383)=28822×(403-400)=66317+745+542=1604713×(460-457)=2139573×3-130=1589556+470=1026188×4-679=73103×4+423=835437-283=154909-(809-709)=80977×(436-428)=616703×5=351599+135+299=533355-44+50=3612/6+4/6=1482-110×4=42159+318=47736×7+450=702262-(679-493)=76935-(217+99)=619419+155=574985-77×9=292278×3-106=728575-88=487646-304=342229+193-11=411299+68=367329+36×7=58166×5-220=110716+(889-382)=1223883-(159+257)=467741-358+212=595398-(32+244)=122219×(450-447)=657441×(552-547)=2205997-359×2=279813-305-353=155545×9=4905731-76×9=47397-67+84=414990-22×5=880305+(460-359)=406646×(208-201)=4522972×3=2916175+(275-103)=347217+(187-179)=225221-(254-248)=215399-85-59=255328+(155-79)=40490×9=810607×3-237=1584180+388+334=902301+(491-130)=662101+22×6=233439+206×2=851391+41+496=928823-(21+155)=647681+78+40=7995/6-1/6=4/653×(281-272)=477715×(94-88)=4290907×(497-494)=2721327-49×3=18081+202-229=54496-(650-170)=16268-28×3=184429+131=560839-327=512245+474+313=1032271×3-498=315890-400-269=221255×3=76533×9=297465-(764-420)=121356×2-339=373808-123+453=1138419-315=104402+156=558801-675+737=863366-25-36=305330-95+117=352461-376+901=986354+279-599=34952-68×2=816154+81-63=172251-(85-75)=241123×3=36929+446-14=461638-(930-482)=1902/10+7/10=9/10992-344-241=407566-(892-439)=113727+266-656=337649-(17+100)=532266+80×2=426149×3-29=418372-(39+193)=140719-28-246=44588×8+14=7186/8-1/8=5/8955+(183-22)=1116113+(238-29)=322403-248=15552+21-44=29173+(456-138)=491216+(957-495)=678640+(788-476)=952215×(40-36)=860741-(11+115)=615340-25×4=240976+576+770=2322106×9=954181-(89-35)=127254-(157+76)=21154×6=924382-330=52299+(779-302)=776126×(975-970)=630393×(493-485)=3144892×(474-468)=5352663+(975-718)=920414+(331-25)=720771+200=971798-79-61=658623×9-275=5332726-433=293376-(382-62)=56763-(132+74)=557312-22×2=268437×7=3059126-124+27=29778-(430+204)=144800-457+890=1233343-(51+262)=30769+(953-711)=1011253-107=146299+(158-69)=388211×9=1899340+(346-238)=448243-187=56190-49-62=79110+331-232=209191+59=25026×(349-343)=156212-(463-279)=2811×4=4436×8+932=1220438×2-109=767639-367+591=863782-111×7=565×2+61=191329-(462-259)=126127×2=254126+602+109=837324-17=307377×2+236=990319-(489-424)=25452×5=26088×(311-304)=616474×(197-194)=1422136×2=272460-(67+371)=22930×5=4650633+69-306=396104×5=52034×6=204402-215+168=3551/10+5/10=6/10277+76×7=8092/6+3/6=5/646×5=230704-76×8=96582-(979-565)=168908-558-167=183449-(154+184)=11119×8=152402-(343+23)=36501-62×5=191213-189=24318+(492-38)=772394-103×3=85829-86×8=14142+210-36=216403-28×9=151503-100×3=203470-44-307=119952-(147+371)=434583+462+421=1466647-(679-321)=289307+(307-163)=451481+75×2=63199-(321-298)=76562×3-562=1124293-243+260=310851-502-262=87127+114×7=925203-20×2=163457-84×3=205792-290×2=212522+59+254=835133+213=34631×(206-199)=217811×5=4055569-(291+78)=200911+225×4=1811454-(71+312)=71493-37×4=345526-(144+75)=307225+557+331=1113215-174=41767-48=71999+307-296=110945+945+232=2122962-93×4=590105×(242-237)=525214+21+177=412230-(425-237)=42434-392+200=242875+874-409=1340154+95=249444+(251-66)=629441-88=353650+644-796=498122×2=244461-214-173=74353+641=994162+591-419=334436-(64+120)=252472×9=4248285+190=475435-(279-36)=19264×(97-90)=448373-354+26=45273-40×5=73482-119-323=4033×3=99317-226=91360+75=43531×(462-455)=217434×6=2604893-(475-396)=814815+(862-396)=1281113×7-431=360905-(448+208)=249725+594+749=2068680×(86-80)=4080318×2+226=862387-172+203=4184/7-3/7=1/7455-111=344176×9-370=1214112×(759-751)=896464-230+248=482396-17×8=260750×(549-543)=4500465-202-203=60790+393-609=574786×3=2358906-549+523=88033×(399-390)=2973/6+2/6=5/6463-49-77=337103-10=93152+(483-261)=374231-22×2=187171×4-225=459602-72-42=488489×3-736=73144+(403-315)=132610-294+474=79061+117+640=818333+127-22=43856+193=249991-482=509411+41-205=247239+(663