三年級數(shù)學(xué)(上)計算題專項(xiàng)練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計算題專項(xiàng)練習(xí)附答案集錦395-94×3=128×(28-25)=409-214=464-393+10=902+939+659=961+528-963=89×7-244=108+433=727+969=991-610+816=992+(819-485)=55+734+637=745-(97+554)=175×3=370×8=90×(35-30)=584-522+923=563+401-427=908-79×8=223×8=769-166-252=290+(256-157)=901-(31+299)=600+136+22=309-242=847-107=864+818+316=405-120×2=50×5+444=441-294-144=410-285+366=133+52+160=893-75×9=66×(68-60)=219+217=303×(481-477)=357-355+377=351+(197-17)=36×3=189-151+335=191+(259-243)=220-15+862=437-298=562-91-103=77+263+409=947-74=24×8+280=324-125=491-(460-268)=325+235×3=712+457=199×2+479=312+336+99=800-77×3=694-327-277=471+463+601=828-275=399+79=166×(240-236)=484-(164+135)=315×(792-785)=122-(17+12)=478-147×3=163-(446-408)=480+21×7=948+271-472=440×2-291=289×3=763+716-458=301-(67+186)=750+215×4=71×6=406-(454-437)=3/4-1/4=704+485=392-187=107+223=103×7-357=596-128=264-(173-57)=122×4=162+133×4=862-484+592=612-93-435=396-(99+205)=181×6=300+(937-892)=268×3+160=989-(25+961)=71+323×2=84×5=799-(803-310)=234-44-16=592-131-327=27×(405-398)=593×4=436+35-466=186+170-260=59+13-64=390×8-218=592×(473-464)=959-875=278-(170-49)=242+174=359-28×3=110×2=914+582=285+496=487+(375-180)=93×(182-175)=196+221-303=1/7+4/7=54+(307-276)=146+55=342+471+608=176+162-209=292×(478-475)=281+(482-358)=381×7-877=256+20-153=375-(243+98)=788-(25+332)=126+402+471=488+(454-256)=474-18×2=864-(27+370)=249×4-542=126×8-20=263-(592-359)=484-(207-178)=338+516=183×4=333+79-126=420-55×3=319×(406-402)=533-244-146=463-(16+260)=219+159=691+584-842=328-(45+116)=478-128×3=119×5=127+20×9=226+64=275+(870-498)=323+(796-314)=712+579-265=65+696+52=661-81+509=112+587=849-261×3=17×6+471=474-221+210=108+299=413-308+148=296+(385-313)=348+175+314=643×(75-71)=411-(142+28)=60+(366-309)=262-16×5=734-(827-406)=454-374-74=178+(352-214)=842-368-400=459-361+336=576×(723-715)=133+102-48=837×3-399=434-175-22=468-110=226-(363-153)=376-51×4=460+949+553=372-(242-103)=74-(25+18)=153-(368-306)=105+59+243=276+108×3=882+70×2=865-483=140×6+748=293×3=691+180×3=310-178-130=705-19=4/8+2/8=989×2=981-227×3=851+649-214=195+167-141=63+274=2/4-1/4=692-258-80=883-(119+599)=162×(601-593)=415+14+141=187-37×2=401+74-312=308×2+193=279+82=306-(264-201)=928-(860+43)=404×(998-995)=211+916-269=319-260+10=254-82-39=25+89=183×(607-600)=218+506+474=744-516+389=463×2-435=30+342-204=612+354=640+647-11=423-201×2=579-(273-78)=4/8-3/8=223×6=506+804=226+397+206=358-(28+235)=279+128+420=886-263+877=349+892+350=867-(607-572)=262-183=41×5+975=424-15×4=85+95×7=444-127-18=227+530+585=242+(407-323)=365-141=164+111-171=416-(347-259)=820+123-403=982-937+864=261-90-87=700-19×4=73+109×5=803×3=806-308=295+(911-864)=484-111+80=3/6+2/6=294-104×2=167+181-80=453-(489-142)=52+304+390=989×5=410+601+276=318-34-200=474-85-39=903×5-39=76×9-21=116×(125-122)=139+87=4/6-1/6=738+142=422-(292+45)=478-379=916-(618+181)=507-228×2=729-681+555=558×3=941+94×6=666-347-42=445-162×2=923+300×2=471-213-73=431-318-68=166×4-576=32×9+377=48×(138-135)=460-(299-98)=302-93-85=437+64×3=85×9=644+166+732=215×3-393=233×7=902-(301+271)=389-213=21+(282-180)=709-641=655×(449-441)=148×2-295=142+530=56×(24-18)=163+120=177+542=35-18=8/10-1/10=147×(527-523)=462-(82+174)=101×4-80=302×2-151=118×3+279=49×(460-457)=285×3=371+658-569=281-(273-125)=442-22×3=619+229+88=511-100×4=17+(986-954)=138+178+221=93×(59-53)=67×(439-431)=264×4=294-(254-62)=793-(243+507)=856+713-457=903-626=243-(35+36)=494-154=252×2-255=483-93×5=704-85+146=368-(140+222)=599+774+731=75-58+63=162+319-47=645+442-718=820+935-166=90+(807-260)=54+62×2=117×6+16=459+(380-292)=680+(451-221)=305-55×4=167+131+410=172+231×2=820-83×6=767-143+179=2/7+4/7=319×3-26=746-301-442=234+467+48=485×2=133+166=61+(337-78)=15+81+461=92×(842-839)=407-107-228=35+130+57=2/10+5/10=286×2-135=175+564+27=317+103+334=272+16-97=543-80+450=211+93=38+325-288=115×(193-189)=742-(37+407)=1/10+9/10=91×(344-340)=902-(95-80)=74+295-100=428-(932-781)=88+286-81=386-(568-440)=297×3=612+155+159=277+408=331+(464-144)=409+(306-162)=234×(251-247)=267×3+295=378×2+295=747×9=198×3-234=166+205-204=250-(917-785)=2/6-1/6=430-(83+241)=794-(699-308)=486×(425-417)=215-(132+13)=94×9=266-135-93=108+266-101=725-(114+259)=890-(685+92)=2/8-1/8=350-(394-94)=124×8-806=179+44×6=495-(294-146)=398-(51+151)=994×(961-952)=413+120=474-61-277=929-246-237=385+(418-412)=4/8+3/8=280+178-146=326+(193-138)=436-39=109×7+193=468-331=971-348-445=838×8=153×4=486-403+346=742×7-940=804+(332-190)=50×(231-226)=785-376-356=476-29-125=444+103×2=196+(961-836)=299+269-394=654+(821-43)=164×(153-149)=88×9=863-(408+248)=251+(700-124)=277-(181+63)=344-326=460-278=473+11+497=26×3+273=408-131×2=1/6+4/6=978-456-112=306+(122-65)=78+410=388-63×5=106+394×2=497-58=220+462=295+(212-132)=112×(478-475)=506×8=119+275=342+107-244=114+282=922+(938-453)=774×8-287=443-18+68=117+332-175=204+777-882=722-83×2=752-120×2=1/8+7/8=404-(260+29)=691+71×7=526-421=263-22=115+353×2=372-124+29=446-(411-111)=81+131=62+237=163-124+393=673-100×5=414-47-123=367-290+395=230-124=38×(316-307)=730-188+143=448+(688-156)=277+88×7=306+238=626×3=856-331×2=990×9=781-337=93×6+136=82+62=893-(446-361)=241-(459-350)=56+334×2=91×8+178=374-10+38=431-(59+324)=927+638=125×3=248×(73-65)=20+(710-508)=635-279=265+154+427=422-(148-140)=402-321=192-73×2=254×3=161+429+192=142×5+793=175×5=214+213-212=854-157=311-(476-197)=533+241-484=12×(408-405)=411-292=536+61+369=172-101-19=462+320×2=61-29+283=431×2-104=702-348+845=106+544+290=425-199=444-105+153=386-33×4=198+134+536=977+551+647=236-117×2=40+(978-873)=302-34+58=461+(264-19)=928+990+319=214×(520-512)=68+(417-86)=62×8+313=439+362+88=615-81×3=320+(490-390)=475-216-173=427-(220-157)=760-(13+510)=499-401-87=815-43-533=210+(471-139)=390-118-49=403-157+698=128-(312-235)=61-20×2=298+(458-446)=30×7=426+299-461=236-(473-452)=495-400-15=68+(467-208)=813-16=471+183=955×(343-337)=274+70×5=481-105=961-(528-347)=304+440+138=389-22-56=329-157×2=356-172+701=1/4+2/4=691-(371+77)=987-(635+166)=490+87+123=104-87+313=922-(669+103)=198-36=944+(759-554)=158+(401-243)=89×(322-319)=888+487-956=69×(493-486)=203×6=608+172=196-24+187=225+425=446-32=183×(355-351)=3/5-1/5=409-(376-205)=829-(33+624)=94×4=371-168×2=68+99=80×8=211-20×3=989-15-442=868-626=315+188=527×8=966+742+132=248×3=267-53×5=487+(631-584)=566×4-195=36+(984-888)=343+60=298-167=761+152+741=366-103-256=313×(407-401)=402-46-328=974-652-310=2/5-1/5=404-387+248=189+46=508×8=61+322=418-49×8=242×2+16=398-140=50+277+496=273-(332-76)=3/7+2/7=213+72=422-401+306=353-196-103=158+38+130=266-164=195-12+79=282×3-166=490+109×8=318×2=631+156-505=79+(327-293)=995-143-232=42+335-68=454×3=81×2+405=227+168-237=109×9+536=945-(223+79)=157×4-574=513+(925-70)=375-119=326-288+336=122-35-63=498-(68+11)=279-(113+159)=874+561+998=525-78×6=158×5=508-52×5=314+82=237-48=229-40=310+746-311=636×9-58=769-747+415=838×6-732=299-(248-46)=93+(490-24)=913+(401-363)=437-(308+105)=849×6-105=3/8-1/8=47×(416-408)=537-(210+215)=319-179=129-42×2=204×(554-549)=772-(26+72)=924-(102+650)=895-55×8=51×8=190×5-482=191×4=38×(238-234)=406×2=909+(881-289)=217-(187-62)=162+(207-24)=192×5-152=425-(478-181)=633×(920-916)=200+118=305+124-226=37×(73-68)=730+254-678=4/6+2/6=704-(362+70)=236+(439-204)=376-98=939+173+996=272×2-399=441-391+579=199+380+841=326-46×6=246×4-441=842-(535+84)=130+43=303-(756-531)=611-439-146=776-151-406=414×7-567=174-(370-222)=94×4+89=401-(137-45)=790-(502-135)=818×5-862=572-239=318-(390-135)=263×(109-106)=637-(571-322)=101×5-230=104×8+488=119-86+449=855×4=110×6-385=425-342=409-92=472-38×4=69×8+225=178×(422-415)=374-34×9=114×8=189×3-543=843-505-149=39×(62-56)=271+55-165=684+442-892=270-(143+122)=735×7-247=208+26-57=536×9-931=446-219=320-21×8=310-(87+204)=414-60-90=244-200+238=161-30+58=120+351=53+12=422×9-375=240×(300-297)=907-151×4=457-140=452-(302-152)=889-359+183=360-32=40-16+181=342×5-103=482-(240+226)=212+727+829=362-(86+111)=732×5-287=206×3+322=496+411-681=4/8-2/8=275+480+504=42×(81-73)=892-721+203=245+247=387-83=464-(289+136)=77×3=301-188-19=726×8-70=334-(76+227)=530+33+426=342-208+172=85+77+300=813-169+548=95×5=861-640+85=849-(225-209)=121×6-659=898-(514-303)=675+25+545=668-657+353=948×(797-790)=74×5-221=274+84×3=916-270+31=45×9+467=643+719-40=919-(851-489)=481×2+594=753-(224+526)=423-(13+162)=800-123-558=172×3+26=121×(257-253)=918-210×4=878×5=842×(204-200)=126×2+225=676-288+458=142+(293-165)=340+86-326=772×2-51=588×7=338×5-709=458-(451-295)=515×3=277+162=244-(380-172)=92+21=100×4-392=111×9-288=393-(736-620)=490×2-762=407-57=449+53×6=905-132×6=185-155+29=178+53×2=319×(82-78)=915-(614-340)=810-198+676=999-(825-175)=810-(276+488)=474-68×3=328-86×2=436+(425-153)=634-528+413=468-40×8=442-110-88=404×5-661=207+178+179=475-38-121=866-270×3=993×(95-92)=101×8=337-124×2=68+(344-41)=179×5-195=285+203=946-633=13+299-18=3/7-2/7=230+699=542×6=393-(79+129)=421-179-143=911-61-348=380-166=497-28-267=480-118=95+245-82=441-118-143=232×4-140=476-(348-152)=523+862+209=421-389+45=262-86-78=625+164+717=404+(935-630)=279-(904-894)=371-(91+224)=762+109×2=535+230=43×8=43+(571-565)=29×(41-37)=488+(266-97)=636×2-535=136×(210-205)=807+818-683=346×5-93=49×8-225=174×7-390=63×4=488-(454-223)=558+519-228=315+229=667+604+229=452+45-388=931-(444+71)=393-10×9=128+(664-521)=311-216+41=167×9-621=994-43×3=925-622-69=269-(846-599)=485×(884-876)=參考答案395-94×3=113128×(28-25)=384409-214=195464-393+10=81902+939+659=2500961+528-963=52689×7-244=379108+433=541727+969=1696991-610+816=1197992+(819-485)=132655+734+637=1426745-(97+554)=94175×3=525370×8=296090×(35-30)=450584-522+923=985563+401-427=537908-79×8=276223×8=1784769-166-252=351290+(256-157)=389901-(31+299)=571600+136+22=758309-242=67847-107=740864+818+316=1998405-120×2=16550×5+444=694441-294-144=3410-285+366=491133+52+160=345893-75×9=21866×(68-60)=528219+217=436303×(481-477)=1212357-355+377=379351+(197-17)=53136×3=108189-151+335=373191+(259-243)=207220-15+862=1067437-298=139562-91-103=36877+263+409=749947-74=87324×8+280=472324-125=199491-(460-268)=299325+235×3=1030712+457=1169199×2+479=877312+336+99=747800-77×3=569694-327-277=90471+463+601=1535828-275=553399+79=478166×(240-236)=664484-(164+135)=185315×(792-785)=2205122-(17+12)=93478-147×3=37163-(446-408)=125480+21×7=627948+271-472=747440×2-291=589289×3=867763+716-458=1021301-(67+186)=48750+215×4=161071×6=426406-(454-437)=3893/4-1/4=2/4704+485=1189392-187=205107+223=330103×7-357=364596-128=468264-(173-57)=148122×4=488162+133×4=694862-484+592=970612-93-435=84396-(99+205)=92181×6=1086300+(937-892)=345268×3+160=964989-(25+961)=371+323×2=71784×5=420799-(803-310)=306234-44-16=174592-131-327=13427×(405-398)=189593×4=2372436+35-466=5186+170-260=9659+13-64=8390×8-218=2902592×(473-464)=5328959-875=84278-(170-49)=157242+174=416359-28×3=275110×2=220914+582=1496285+496=781487+(375-180)=68293×(182-175)=651196+221-303=1141/7+4/7=5/754+(307-276)=85146+55=201342+471+608=1421176+162-209=129292×(478-475)=876281+(482-358)=405381×7-877=1790256+20-153=123375-(243+98)=34788-(25+332)=431126+402+471=999488+(454-256)=686474-18×2=438864-(27+370)=467249×4-542=454126×8-20=988263-(592-359)=30484-(207-178)=455338+516=854183×4=732333+79-126=286420-55×3=255319×(406-402)=1276533-244-146=143463-(16+260)=187219+159=378691+584-842=433328-(45+116)=167478-128×3=94119×5=595127+20×9=307226+64=290275+(870-498)=647323+(796-314)=805712+579-265=102665+696+52=813661-81+509=1089112+587=699849-261×3=6617×6+471=573474-221+210=463108+299=407413-308+148=253296+(385-313)=368348+175+314=837643×(75-71)=2572411-(142+28)=24160+(366-309)=117262-16×5=182734-(827-406)=313454-374-74=6178+(352-214)=316842-368-400=74459-361+336=434576×(723-715)=4608133+102-48=187837×3-399=2112434-175-22=237468-110=358226-(363-153)=16376-51×4=172460+949+553=1962372-(242-103)=23374-(25+18)=31153-(368-306)=91105+59+243=407276+108×3=600882+70×2=1022865-483=382140×6+748=1588293×3=879691+180×3=1231310-178-130=2705-19=6864/8+2/8=6/8989×2=1978981-227×3=300851+649-214=1286195+167-141=22163+274=3372/4-1/4=1/4692-258-80=354883-(119+599)=165162×(601-593)=1296415+14+141=570187-37×2=113401+74-312=163308×2+193=809279+82=361306-(264-201)=243928-(860+43)=25404×(998-995)=1212211+916-269=858319-260+10=69254-82-39=13325+89=114183×(607-600)=1281218+506+474=1198744-516+389=617463×2-435=49130+342-204=168612+354=966640+647-11=1276423-201×2=21579-(273-78)=3844/8-3/8=1/8223×6=1338506+804=1310226+397+206=829358-(28+235)=95279+128+420=827886-263+877=1500349+892+350=1591867-(607-572)=832262-183=7941×5+975=1180424-15×4=36485+95×7=750444-127-18=299227+530+585=1342242+(407-323)=326365-141=224164+111-171=104416-(347-259)=328820+123-403=540982-937+864=909261-90-87=84700-19×4=62473+109×5=618803×3=2409806-308=498295+(911-864)=342484-111+80=4533/6+2/6=5/6294-104×2=86167+181-80=268453-(489-142)=10652+304+390=746989×5=4945410+601+276=1287318-34-200=84474-85-39=350903×5-39=447676×9-21=663116×(125-122)=348139+87=2264/6-1/6=3/6738+142=880422-(292+45)=85478-379=99916-(618+181)=117507-228×2=51729-681+555=603558×3=1674941+94×6=1505666-347-42=277445-162×2=121923+300×2=1523471-213-73=185431-318-68=45166×4-576=8832×9+377=66548×(138-135)=144460-(299-98)=259302-93-85=124437+64×3=62985×9=765644+166+732=1542215×3-393=252233×7=1631902-(301+271)=330389-213=17621+(282-180)=123709-641=68655×(449-441)=5240148×2-295=1142+530=67256×(24-18)=336163+120=283177+542=71935-18=178/10-1/10=7/10147×(527-523)=588462-(82+174)=206101×4-80=324302×2-151=453118×3+279=63349×(460-457)=147285×3=855371+658-569=460281-(273-125)=133442-22×3=376619+229+88=936511-100×4=11117+(986-954)=49138+178+221=53793×(59-53)=55867×(439-431)=536264×4=1056294-(254-62)=102793-(243+507)=43856+713-457=1112903-626=277243-(35+36)=172494-154=340252×2-255=249483-93×5=18704-85+146=765368-(140+222)=6599+774+731=210475-58+63=80162+319-47=434645+442-718=369820+935-166=158990+(807-260)=63754+62×2=178117×6+16=718459+(380-292)=547680+(451-221)=910305-55×4=85167+131+410=708172+231×2=634820-83×6=322767-143+179=8032/7+4/7=6/7319×3-26=931746-301-442=3234+467+48=749485×2=970133+166=29961+(337-78)=32015+81+461=55792×(842-839)=276407-107-228=7235+130+57=2222/10+5/10=7/10286×2-135=437175+564+27=766317+103+334=754272+16-97=191543-80+450=913211+93=30438+325-288=75115×(193-189)=460742-(37+407)=2981/10+9/10=191×(344-340)=364902-(95-80)=88774+295-100=269428-(932-781)=27788+286-81=293386-(568-440)=258297×3=891612+155+159=926277+408=685331+(464-144)=651409+(306-162)=553234×(251-247)=936267×3+295=1096378×2+295=1051747×9=6723198×3-234=360166+205-204=167250-(917-785)=1182/6-1/6=1/6430-(83+241)=106794-(699-308)=403486×(425-417)=3888215-(132+13)=7094×9=846266-135-93=38108+266-101=273725-(114+259)=352890-(685+92)=1132/8-1/8=1/8350-(394-94)=50124×8-806=186179+44×6=443495-(294-146)=347398-(51+151)=196994×(961-952)=8946413+120=533474-61-277=136929-246-237=446385+(418-412)=3914/8+3/8=7/8280+178-146=312326+(193-138)=381436-39=397109×7+193=956468-331=137971-348-445=178838×8=6704153×4=612486-403+346=429742×7-940=4254804+(332-190)=94650×(231-226)=250785-376-356=53476-29-125=322444+103×2=650196+(961-836)=321299+269-394=174654+(821-43)=1432164×(153-149)=65688×9=792863-(408+248)=207251+(700-124)=827277-(181+63)=33344-326=18460-278=182473+11+497=98126×3+273=351408-131×2=1461/6+4/6=5/6978-456-112=410306+(122-65)=36378+410=488388-63×5=73106+394×2=894497-58=439220+462=682295+(212-132)=375112×(478-475)=336506×8=4048119+275=394342+107-244=205114+282=396922+(938-453)=1407774×8-287=5905443-18+68=493117+332-175=274204+777-882=99722-83×2=556752-120×2=5121/8+7/8=1404-(260+29)=115691+71×7=1188526-421=105263-22=241115+353×2=821372-124+29=277446-(411-111)=14681+131=21262+237=299163-124+393=432673-100×5=173414-47-123=244367-290+395=472230-124=10638×(316-307)=342730-188+143=685448+(688-156)=980277+88×7=893306+238=544626×3=1878856-331×2=194990×9=8910781-337=44493×6+136=69482+62=144893-(446-361)=808241-(459-350)=13256+334×2=72491×8+178=906374-10+38=402431-(59+324)=48927+638=1565125×3=375248×(73-65)=198420+(710-508)=222635-279=356265+154+427=846422-(148-140)=414402-321=81192-73×2=46254×3=762161+429+192=782142×5+793=1503175×5=875214+213-212=215854-157=697311-(476-197)=32533+241-484=29012×(408-405)=36411-292=119536+61+369=966172-101-19=52462+320×2=110261-29+283=315431×2-104=758702-348+845=1199106+544+290=940425-199=226444-105+153=492386-33×4=254198+134+536=868977+551+647=2175236-117×2=240+(978-873)=145302-34+58=326461+(264-19)=706928+990+319=2237214×(520-512)=171268+(417-86)=39962×8+313=809439+362+88=889615-81×3=372320+(490-390)=420475-216-173=86427-(220-157)=364760-(13+510)=237499-401-87=11815-43-533=239210+(471-139)=542390-118-49=223403-157+698=944128-(312-235)=5161-20×2=21298+(458-446)=31030×7=210426+299-461=264236-(473-452)=215495-400-15=8068+(467-208)=327813-16=797471+183=654955×(343-337)=5730274+70×5=624481-105=376961-(528-347)=780304+440+138=882389-22-56=311329-157×2=15356-172+701=8851/4+2/4=3/4691-(371+77)=243987-(635+166)=186490+87+123=700104-87+313=330922-(669+103)=150198-36=162944+(759-554)=1149158+(401-243)=31689×(322-319)=267888+487-956=41969×(493-486)=483203×6=1218608+172=780196-24+187=359225+425=650446-32=414183×(355-351)=7323/5-1/5=2/5409-(376-205)=238829-(33+624)=17294×4=376371-168×2=3568+99=16780×8=640211-20×3=151989-15-442=532868-626=242315+188=503527×8=4216966+742+132=1840248×3=744267-53×5=2487+(631-584)=534566×4-195=206936+(984-888)=132343+60=403298-167=131761+152+741=1654366-103-256=7313×(407-401)=1878402-46-328=28974-652-310=122/5-1/5=1/5404-387+248=265189+46=235508×8=406461+322=383418-49×8=26242×2+16=500398-140=25850+277+496=823273-(332-76)=173/7+2/7=5/7213+72=285422-401+306=327353-196-103=54158+38+130=326266-164=102195-12+79=262282×3-166=680490+109×8=1362318×2=636631+156-505=28279+(327-293)=113995-143-232=62042+335-68=309454×3=136281×2+405=567227+168-237=158109×9+536=1517945-(223+79)=643157×4-574=54513+(925-70)=1368375-119=256326-288+336=374122-35-63=24498-(68+11)=419279-(113+159)=7874+561+998=2433525-78×6=57158×5=790508-52×5=248314+82=396237-48=189229-40=189310+746-311=745636×9-58=5666769-747+415=437838×6-732=4296299-(248-46)=9793+(490-24)=559913+(401-363)=951437-(308+105)=24849×6-105=49893/8-1/8=2/847×(416-408)=376537-(210+215)=112319-179=140129-42×2=45204×(554-549)=1020772-(26+72)=674924-(102+650)=172895-55×8=45551×8=408190×5-482=468191×4=76438×(238-234)=152406×2=812909+(881-289)=1501217-(187-62)=92162+(207-24)=345192×5-152=808425-(478-181)=128633×(920-916)=2532200+118=318305+124-226=20337×(73-68)=185730+254-678=3064/6+2/6=1704-(362+70)=272236+(439-204)=471376-98=278939+173+996=2108272×2-399=145441-391+579=629199+380+841=1420326-46×6=50246×4-441=543842-(535+84)=223130+43=173303-(756-531)=78611-439-146=26776-151-406=219414×7-567=2331174-(370-222)=2694×4+89=465401-(137-45)=309790-(502-135)=423818×5-862=3228572-239=333318-(390-135)=63263×(109-106)=789637-(571-322)=388101×5-230=275104×8+488=1320119-86+449=482855×4=3420110×6-385=275425-342=83409-92=317472-38×4=32069×8+225=777178×(422-415)=1246374-34×9=68114×8=912189×3-543=24843-505-149=18939×(62-56)=234271+55-165=161684+442-892=234270-(143+122)=5735×7-247=4898208+26-57=177536