三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦842-(509+259)=499-(106+271)=998-575=230-(75+129)=318-19×9=861-384+404=324+320=387-(223+144)=487-419=573×7=452-245=163+153+562=407-(143-51)=42+807+58=171×3-284=173×3+111=821-(475-237)=422-80×4=428-23×7=323×2+193=853+972-688=518+523=822×2=930+490-437=584+21+696=357×9=180+(302-212)=320-(470-465)=479-(324-176)=116×7=111×7=5/8+2/8=430-194-109=824+20-103=303×8=994-(407+474)=478-292+189=353+(448-386)=44+64-10=462-(338-52)=3/4-1/4=190×(180-175)=539+(637-166)=79×4-103=274+151-402=33+373+17=479-(36+32)=363+155+978=518-331=703×4-238=167×8=814-565=139×3=236-62=152+281+369=882+(971-702)=463+20-117=316+120-33=247-21×5=85-(141-134)=11+248-160=601+139=568-(402-97)=110×5=876×8=700+291=79+113+180=100×7=527×6=976×7=580-61+902=268-66=161-(367-361)=328+339×2=512+(612-457)=102×5+196=966-677-218=186×3+299=965×8=71×(475-472)=610+439-847=538×(588-584)=142×6=417-(66+253)=259+249+781=318+354-210=753-82×6=875-12+983=921+178-400=448-232-51=170×(622-618)=324+(413-399)=507-90+682=398+156×4=215×4-158=618-39=623×(999-996)=1/6+3/6=478-336-138=458+64×3=972-(311+618)=262×7-135=342-86×3=322×(299-296)=3/8-1/8=22+436+286=437×2-536=208-51=163×(491-485)=154-(406-310)=195+114=714+508-140=279×2=350×2+209=59×(326-319)=261+688-80=3/8+4/8=426+(331-256)=165×3=556-290+805=207-36×4=289×(339-336)=24+73×2=144×(737-734)=839×5=629×9-794=80×(88-80)=149+(368-212)=402-(395-198)=457+828-547=137+78=630-369=832-100×3=17+322+293=216+440=333×(214-211)=437-185+144=662×(817-812)=849-(457-173)=159+685+68=26×6-75=751-42×9=301+373+221=442×2=217-(162-23)=962-276×3=588+(897-567)=975-745=363-239=292+(492-144)=635-110×5=955-253×2=264-88×3=2/8+6/8=416-(31+22)=173×7=251-214=888-(367+466)=298+583+164=436-110-253=877-373+982=603-237=455×2=294-50=363-(52+58)=249+364×2=518+831+701=842×9-531=304-110-34=52+221=31×8+128=95+783+349=765+690+977=71+46-44=336-310+48=53+304=408-(462-143)=544-(197-74)=189+445+87=141+(981-567)=41+151=113×8-127=201+288+83=233-35-192=971-470-107=434-280+286=2/8+4/8=455+132+317=288-(233-152)=4/8+2/8=332-193-64=346-262+271=182-33×3=70+(340-151)=350-323+209=71+277-32=326+82×4=487-(286-101)=193+99×6=833×7-109=994-78-73=476-248=67+286=18+248+625=599+798+913=911-(419+107)=432-(341+16)=294+(258-85)=975-190+232=780-143×2=830+(372-202)=191+373+473=95+484-263=308-117+335=223+239=319-66=785+288=102-(394-373)=132×5-359=981-(515-123)=41×2+742=953+194×3=11×5=433-55=239×(388-385)=111+114=426-50×6=601+923-721=199+145=937-474+307=293-(425-253)=701-43×8=626+27×7=846-19×2=323-70+244=439-(366-83)=132+361=924-(306+232)=161+115-77=897-(573+23)=68×9-404=179×(500-497)=256+145=295+893-221=468+(370-113)=991-210×2=25×5+367=988-(820-519)=149+27=877-459-70=112+108-142=256-(460-208)=34×(389-380)=97+93×5=2/5-1/5=827×(750-747)=341-(235+88)=712-304-37=4/9-2/9=605×5-237=126×2=131+257=217-196+145=372+457+335=579-(885-452)=146×5=188+220=154-77-39=77+(457-22)=969+(983-379)=989-(419+288)=246×2=97+358-293=981-110-206=473-(354-154)=427+(298-271)=953-(243+214)=92×6-451=583+(649-506)=854-332+188=16+50×8=26+(780-618)=721-641=102+(498-197)=638-134×3=66+350-234=384×4=48+261×3=69+171+161=320-285+268=414+(153-120)=355-(449-260)=274+894=734+512-203=376+816=461-322+259=990×(381-377)=367+68+472=82×9=24+286-71=654+370+463=358-(127+39)=878×9=138+311-116=38×(294-285)=212×(197-193)=826-131-690=408-88=333×5-651=566+69-16=335+65×5=332-(33+116)=997-870+853=727-(116+509)=531×8=612+116+582=329+189=398-(96-33)=33×7-164=894-(806-416)=504-26+954=91+370=314-55×4=451×2+820=258+640-44=392×(649-643)=152+153=379-33×8=620+65+51=297-89-122=594+117+600=499-(18+446)=522-(574-570)=202-(402-362)=474-106-157=296+(928-581)=936-659+111=89-47+451=417-92-141=878-673+384=419-(105+32)=634×(977-974)=891×8-480=203+(368-42)=282×5-330=908-198×2=770×7=943-98×4=83+228+65=355+(263-110)=749-(987-940)=383-82×2=444-393=481-374+375=775-534=119+184×4=2/4-1/4=234×2=66×8+846=101+147×5=299-231=377-(37+151)=353+117-336=317×(29-21)=585×6-924=125×(353-345)=300-257-22=327-66+207=853-107×3=354-56×2=2/8+3/8=491×6=495-(103+150)=762-96=403-(95+29)=520+(702-652)=270+88×7=89+(280-207)=33×2=130+433×2=330-51×2=11×6+77=61+424-443=182×3+68=490-450+215=127-36×3=74×4-77=324-39×6=461-(96+59)=957-117+691=143×5+217=196×2=111+(202-164)=671-133×5=763+(685-332)=907-(140+134)=834+509+32=80+460+72=905-(627-253)=486-225-10=54×3-109=955-198=425-343+151=309-21×9=459-(212+103)=141-28+182=457-66-213=459-54-210=324-(809-644)=2/6-1/6=145+139=577×4-667=138+(459-259)=894-(460-81)=142×(478-475)=496-197×2=999+984-709=4/8-3/8=14+56×9=637-(101+61)=452-421=934-801-100=670×2-198=970×(629-622)=79×4-85=175+(189-39)=791+900+345=58+433-247=83+406-98=298+57×7=79+56×2=756+910+629=429-101-114=190+(358-231)=904-20-636=953-(222+199)=771-292+483=497-32=166×5-102=459-97-245=450-71×4=418-271-79=269-140=348+199+294=52×6+372=48+352-181=570×7-770=461+(848-292)=3/7-1/7=494-191+120=392-227-50=930-(114+613)=451-335+160=710-(987-722)=347-57=369×(446-437)=914×8=816+(914-164)=790×(134-125)=463-94-320=283+(356-215)=113+105×6=268-(64+74)=394-337+572=69-50+139=341+(159-12)=63+243=2/9+4/9=110+227=724-214×3=295-(15+243)=797-31-413=447+(350-270)=227-16×8=284×3-74=315×2+23=74+152×2=98+321=369×2-380=203-29+300=511-12×2=684+14+124=26+(354-328)=282-222=264×(950-947)=275×2+871=100×2=235+412×2=37×(384-378)=892-(119+261)=16×7=877+361=989-58-704=258+428=457+779-426=601-563=297×2=376-67=398+(645-218)=173+136-14=110-51+76=11+398+554=163+307-83=662+217=465-(247+13)=177×5+104=623×6-74=629+452×2=823-15=246×4=273×2=667+(806-547)=113+102=360-(274-120)=526-(84+429)=952-(980-501)=68+25+72=176+(90-67)=533-141=109+347-35=387-(17+325)=485-(983-580)=407×2-120=166×3-161=830-(989-897)=572×6-920=364-346+465=174-(88+18)=145+84-178=390×4=646-98-189=817+308+711=831-60×3=38+186=233×3-123=848+222-853=744-534+916=161+34=34×8-40=811-183=442-221-197=58+623+36=108×(784-775)=31×9+461=864-138-691=96×9+467=193-(92+22)=665-30=134+490=295+(816-157)=330-(646-401)=898×9-493=179-(311-175)=424-55-191=397×(809-805)=194-102+259=103+607=316+80+515=220-(472-416)=93+(414-188)=141+840=3/9-2/9=329-328+237=167-19×8=317×3-318=700×8-292=42×5=146-26=918-155-763=4/10-3/10=528-231+121=482+310-346=553-465+834=632-519=493-294=602-(179+335)=393-(79+286)=402-(36+150)=383+169=295-19×9=175+440+885=48×8=542+(268-249)=823-554+402=238+39-66=284+601-700=313×3=177+97+386=2/8-1/8=948×8=411-(45+275)=698+153+112=808+269=844+(773-523)=389+77-38=161×2=302-(73+227)=997-23×7=344×3-831=5/10+4/10=444-(84+58)=460-455+307=382-64-47=935-173-420=76×9-177=457-92×4=733-322×2=367-227+770=446-364+143=264×3+343=826-147×3=638+508-42=560-174-379=311+163-361=201+(261-220)=131-28×4=416-146-27=134×(319-315)=305+919+70=510-(354-161)=999-368-21=616×(94-87)=497-471+73=445×(813-806)=892+(755-128)=189+157-266=440+(477-254)=105+394-451=458-(244-116)=1/8+4/8=345-308=216×(83-80)=561-374+880=115+159=732+498+759=14×2=865+926=345-(290+38)=205-192=210×4=615-363=78×(146-141)=335-33-107=196+303=98+254×2=306-(431-281)=644×(906-900)=499×9=236-125=400-112=689+(940-284)=1/4+2/4=30+293-121=462+(558-483)=242+134=89+(394-240)=386+275=538-(976-824)=448-(471-248)=36×2+68=811-(215-97)=487×2-231=2/3-1/3=21×(447-440)=777×9-240=18+127+634=708+291+256=140×5-507=181-42×4=284-(407-130)=209×4-269=728-19=395+47-252=986-620-129=254+112+737=778-637-99=226×2+352=286×3=848-93-212=861-582+240=295-188=346×5-275=412-38=937-(898-755)=467+202-245=431+(312-78)=891-(83+153)=352×2+552=193+83=479-163+174=891-396×2=419-(22+121)=877+563=618×9-32=696+48+84=121+593+140=466-138×2=664-324=363-42×7=201+874+279=276-75+235=96×5=136×8-381=109×(411-406)=110×7+937=59×7=854-(68+124)=386-243=754+228-183=360-(268-70)=528×8=146×(188-184)=590-58×5=65+338=325×2+211=139×4+167=300-221+225=192-22×6=31×(348-342)=620×(346-343)=499+309=644×(298-293)=469-(484-329)=335×(85-76)=929-227-175=203-66-104=172-12×4=471-(211-108)=475-327=673-299+406=465-85-174=181+587=477-59-277=881-715+984=335-68=320-17×7=144+32×8=957-(710+63)=323-(63+222)=854×(833-825)=502+339+140=844×4-676=275-(407-349)=528+(897-27)=247-180=216+92=182×(21-16)=129×7-325=39+402-135=859-(810-429)=551-(934-823)=465-46=431×6-737=386-152=390-242=197+161=221×(261-258)=625-(554+30)=424×2-826=461-11-448=437-(280-10)=444×(724-718)=249+178=982+55+171=54+739-431=403+200=217+241=144+487=410×2-736=152×3+479=137×(325-320)=655+246+10=608+319+533=258-71=765-(573+100)=862-242×2=873-182-255=595+(529-15)=178+(303-72)=909×9-146=238-23×7=137×8-181=117+649+110=363-182-59=417-60×5=366-(88+183)=992-490-101=141×(463-460)=793×(170-163)=345-340+14=145×3=47+88+644=34×(68-64)=147×6=452×2-218=187+555=246×3+24=976-(111+108)=344×2=472-127-272=785-(940-873)=71+276-50=312+113-249=195×(381-378)=211×4=926+(203-50)=868-(56+559)=139×5=35×(444-440)=236+17-37=217+24×4=17×2+416=4/7+3/7=704+409=376+997-215=267+383=381-242=167+(336-36)=262-26-63=376+115-345=306+(223-53)=243×9-261=670×9=880-344-56=245+177×4=236-168+377=961+443-664=203-(580-412)=890-796=941+139×4=237-102×2=727-11+372=318×(908-901)=335-20×8=95×4+382=456-26×3=16+337+358=974-(560-158)=465-75=373-256-45=468+(481-283)=591×9-332=12×9-68=213×3-331=266×(509-505)=475-276-25=114×(128-120)=55+215=929-(160+187)=178-103=28+(936-512)=617+250×2=110×2=96×(26-17)=332-(334-76)=768×(56-47)=131×7-354=697-(593+81)=588-68×8=410-107-186=714-430+528=382+745+641=961-(249+342)=587-159-83=參考答案842-(509+259)=74499-(106+271)=122998-575=423230-(75+129)=26318-19×9=147861-384+404=881324+320=644387-(223+144)=20487-419=68573×7=4011452-245=207163+153+562=878407-(143-51)=31542+807+58=907171×3-284=229173×3+111=630821-(475-237)=583422-80×4=102428-23×7=267323×2+193=839853+972-688=1137518+523=1041822×2=1644930+490-437=983584+21+696=1301357×9=3213180+(302-212)=270320-(470-465)=315479-(324-176)=331116×7=812111×7=7775/8+2/8=7/8430-194-109=127824+20-103=741303×8=2424994-(407+474)=113478-292+189=375353+(448-386)=41544+64-10=98462-(338-52)=1763/4-1/4=2/4190×(180-175)=950539+(637-166)=101079×4-103=213274+151-402=2333+373+17=423479-(36+32)=411363+155+978=1496518-331=187703×4-238=2574167×8=1336814-565=249139×3=417236-62=174152+281+369=802882+(971-702)=1151463+20-117=366316+120-33=403247-21×5=14285-(141-134)=7811+248-160=99601+139=740568-(402-97)=263110×5=550876×8=7008700+291=99179+113+180=372100×7=700527×6=3162976×7=6832580-61+902=1421268-66=202161-(367-361)=155328+339×2=1006512+(612-457)=667102×5+196=706966-677-218=71186×3+299=857965×8=772071×(475-472)=213610+439-847=202538×(588-584)=2152142×6=852417-(66+253)=98259+249+781=1289318+354-210=462753-82×6=261875-12+983=1846921+178-400=699448-232-51=165170×(622-618)=680324+(413-399)=338507-90+682=1099398+156×4=1022215×4-158=702618-39=579623×(999-996)=18691/6+3/6=4/6478-336-138=4458+64×3=650972-(311+618)=43262×7-135=1699342-86×3=84322×(299-296)=9663/8-1/8=2/822+436+286=744437×2-536=338208-51=157163×(491-485)=978154-(406-310)=58195+114=309714+508-140=1082279×2=558350×2+209=90959×(326-319)=413261+688-80=8693/8+4/8=7/8426+(331-256)=501165×3=495556-290+805=1071207-36×4=63289×(339-336)=86724+73×2=170144×(737-734)=432839×5=4195629×9-794=486780×(88-80)=640149+(368-212)=305402-(395-198)=205457+828-547=738137+78=215630-369=261832-100×3=53217+322+293=632216+440=656333×(214-211)=999437-185+144=396662×(817-812)=3310849-(457-173)=565159+685+68=91226×6-75=81751-42×9=373301+373+221=895442×2=884217-(162-23)=78962-276×3=134588+(897-567)=918975-745=230363-239=124292+(492-144)=640635-110×5=85955-253×2=449264-88×3=02/8+6/8=1416-(31+22)=363173×7=1211251-214=37888-(367+466)=55298+583+164=1045436-110-253=73877-373+982=1486603-237=366455×2=910294-50=244363-(52+58)=253249+364×2=977518+831+701=2050842×9-531=7047304-110-34=16052+221=27331×8+128=37695+783+349=1227765+690+977=243271+46-44=73336-310+48=7453+304=357408-(462-143)=89544-(197-74)=421189+445+87=721141+(981-567)=55541+151=192113×8-127=777201+288+83=572233-35-192=6971-470-107=394434-280+286=4402/8+4/8=6/8455+132+317=904288-(233-152)=2074/8+2/8=6/8332-193-64=75346-262+271=355182-33×3=8370+(340-151)=259350-323+209=23671+277-32=316326+82×4=654487-(286-101)=302193+99×6=787833×7-109=5722994-78-73=843476-248=22867+286=35318+248+625=891599+798+913=2310911-(419+107)=385432-(341+16)=75294+(258-85)=467975-190+232=1017780-143×2=494830+(372-202)=1000191+373+473=103795+484-263=316308-117+335=526223+239=462319-66=253785+288=1073102-(394-373)=81132×5-359=301981-(515-123)=58941×2+742=824953+194×3=153511×5=55433-55=378239×(388-385)=717111+114=225426-50×6=126601+923-721=803199+145=344937-474+307=770293-(425-253)=121701-43×8=357626+27×7=815846-19×2=808323-70+244=497439-(366-83)=156132+361=493924-(306+232)=386161+115-77=199897-(573+23)=30168×9-404=208179×(500-497)=537256+145=401295+893-221=967468+(370-113)=725991-210×2=57125×5+367=492988-(820-519)=687149+27=176877-459-70=348112+108-142=78256-(460-208)=434×(389-380)=30697+93×5=5622/5-1/5=1/5827×(750-747)=2481341-(235+88)=18712-304-37=3714/9-2/9=2/9605×5-237=2788126×2=252131+257=388217-196+145=166372+457+335=1164579-(885-452)=146146×5=730188+220=408154-77-39=3877+(457-22)=512969+(983-379)=1573989-(419+288)=282246×2=49297+358-293=162981-110-206=665473-(354-154)=273427+(298-271)=454953-(243+214)=49692×6-451=101583+(649-506)=726854-332+188=71016+50×8=41626+(780-618)=188721-641=80102+(498-197)=403638-134×3=23666+350-234=182384×4=153648+261×3=83169+171+161=401320-285+268=303414+(153-120)=447355-(449-260)=166274+894=1168734+512-203=1043376+816=1192461-322+259=398990×(381-377)=3960367+68+472=90782×9=73824+286-71=239654+370+463=1487358-(127+39)=192878×9=7902138+311-116=33338×(294-285)=342212×(197-193)=848826-131-690=5408-88=320333×5-651=1014566+69-16=619335+65×5=660332-(33+116)=183997-870+853=980727-(116+509)=102531×8=4248612+116+582=1310329+189=518398-(96-33)=33533×7-164=67894-(806-416)=504504-26+954=143291+370=461314-55×4=94451×2+820=1722258+640-44=854392×(649-643)=2352152+153=305379-33×8=115620+65+51=736297-89-122=86594+117+600=1311499-(18+446)=35522-(574-570)=518202-(402-362)=162474-106-157=211296+(928-581)=643936-659+111=38889-47+451=493417-92-141=184878-673+384=589419-(105+32)=282634×(977-974)=1902891×8-480=6648203+(368-42)=529282×5-330=1080908-198×2=512770×7=5390943-98×4=55183+228+65=376355+(263-110)=508749-(987-940)=702383-82×2=219444-393=51481-374+375=482775-534=241119+184×4=8552/4-1/4=1/4234×2=46866×8+846=1374101+147×5=836299-231=68377-(37+151)=189353+117-336=134317×(29-21)=2536585×6-924=2586125×(353-345)=1000300-257-22=21327-66+207=468853-107×3=532354-56×2=2422/8+3/8=5/8491×6=2946495-(103+150)=242762-96=666403-(95+29)=279520+(702-652)=570270+88×7=88689+(280-207)=16233×2=66130+433×2=996330-51×2=22811×6+77=14361+424-443=42182×3+68=614490-450+215=255127-36×3=1974×4-77=219324-39×6=90461-(96+59)=306957-117+691=1531143×5+217=932196×2=392111+(202-164)=149671-133×5=6763+(685-332)=1116907-(140+134)=633834+509+32=137580+460+72=612905-(627-253)=531486-225-10=25154×3-109=53955-198=757425-343+151=233309-21×9=120459-(212+103)=144141-28+182=295457-66-213=178459-54-210=195324-(809-644)=1592/6-1/6=1/6145+139=284577×4-667=1641138+(459-259)=338894-(460-81)=515142×(478-475)=426496-197×2=102999+984-709=12744/8-3/8=1/814+56×9=518637-(101+61)=475452-421=31934-801-100=33670×2-198=1142970×(629-622)=679079×4-85=231175+(189-39)=325791+900+345=203658+433-247=24483+406-98=391298+57×7=69779+56×2=191756+910+629=2295429-101-114=214190+(358-231)=317904-20-636=248953-(222+199)=532771-292+483=962497-32=465166×5-102=728459-97-245=117450-71×4=166418-271-79=68269-140=129348+199+294=84152×6+372=68448+352-181=219570×7-770=3220461+(848-292)=10173/7-1/7=2/7494-191+120=423392-227-50=115930-(114+613)=203451-335+160=276710-(987-722)=445347-57=290369×(446-437)=3321914×8=7312816+(914-164)=1566790×(134-125)=7110463-94-320=49283+(356-215)=424113+105×6=743268-(64+74)=130394-337+572=62969-50+139=158341+(159-12)=48863+243=3062/9+4/9=6/9110+227=337724-214×3=82295-(15+243)=37797-31-413=353447+(350-270)=527227-16×8=99284×3-74=778315×2+23=65374+152×2=37898+321=419369×2-380=358203-29+300=474511-12×2=487684+14+124=82226+(354-328)=52282-222=60264×(950-947)=792275×2+871=1421100×2=200235+412×2=105937×(384-378)=222892-(119+261)=51216×7=112877+361=1238989-58-704=227258+428=686457+779-426=810601-563=38297×2=594376-67=309398+(645-218)=825173+136-14=295110-51+76=13511+398+554=963163+307-83=387662+217=879465-(247+13)=205177×5+104=989623×6-74=3664629+452×2=1533823-15=808246×4=984273×2=546667+(806-547)=926113+102=215360-(274-120)=206526-(84+429)=13952-(980-501)=47368+25+72=165176+(90-67)=199533-141=392109+347-35=421387-(17+325)=45485-(983-580)=82407×2-120=694166×3-161=337830-(989-897)=738572×6-920=2512364-346+465=483174-(88+18)=68145+84-178=51390×4=1560646-98-189=359817+308+711=1836831-60×3=65138+186=224233×3-123=576848+222-853=217744-534+916=1126161+34=19534×8-40=232811-183=628442-221-197=2458+623+36=717108×(784-775)=97231×9+461=740864-138-691=3596×9+467=1331193-(92+22)=79665-30=635134+490=624295+(816-157)=954330-(646-401)=85898×9-493=7589179-(311-175)=43424-55-191=178397×(809-805)=1588194-102+259=351103+607=710316+80+515=911220-(472-416)=16493+(414-188)=319141+840=9813/9-2/9=1/9329-328+237=238167-19×8=15317×3-318=633700×8-292=530842×5=210146-26=120918-155-763=04/10-3/10=1/10528-231+121=418482+310-346=446553-465+834=922632-519=113493-294=199602-(179+335)=88393-(79+286)=28402-(36+150)=216383+169=552295-19×9=124175+440+885=150048×8=384542+(268-249)=561823-554+402=671238+39-66=211284+601-700=185313×3=939177+97+386=6602/8-1/8=1/8948×8=7584411-(45+275)=91698+153+112=963808+269=1077844+(773-523)=1094389+77-38=428161×2=322302-(73+227)=2997-23×7=836344×3-831=2015/10+4/10=9/10444-(84+58)=302460-455+307=312382-64-47=271935-173-420=34276×9-177=507457-92×4=89733-322×2=89367-227+770=910446-364+143=225264×3+343=1135826-147×3=385638+508-42=1104560-174-379=7311+163-361=113201+(261-220)=242131-28×4=19416-146-27=243134×(319-315)=536305+919+70=1294510-(354-161)=317999-368-21=610616×(94-87)=4312497-471+73=99445×(813-806)=3115892+(755-128)=1519189+157-266=80440+(477-254)=663105+394-451=48458-(244-116)=3301/8+4/8=5/8345-308=37216×(83-80)=648561-374+880=1067115+159=274732+498+759=198914×2=28865+926=1791345-(290+38)=17205-192=13210×4=840615-363=25278×(146-141)=390335-33-107=195196+303=49998+254×2=606306-(431-281)=156644×(906-900)=3864499×9=4491236-125=111400-112=288689+(940-284)=13451/4+2/4=3/430+293-121=202462+(558-483)=537242+134=37689+(394-240)=243386+275=661538-(976-824)=386448-(471-248)=22536×2+68=140811-(215-97)=693487×2-231=7432/3-1/3=1/321×(447-440)=147777×9-240=675318+127+634=779708+291+256=1255140×5-507=193181-42×4=13284-(407-130)=7209×4-269=567728-19=709395+47-252=190986-620-129=237254+112+737=1103778-637-99=42226×2+352=804286×3=858848-93-212=543861-582+240=519295-188=107346×5-275=1455412-38=374937-(898-755)=794467+202-245=424431+(312-78)=665891-(83+153)=655352×2+552=1256193+83=276479-163+174=490891-396×2=99419-(22+121)=276877+563=1440618×9-32=5530696+48+84=828121+593+140=854466-138×2=190664-324=340363-42×7=69201+874+279=1354276-75+235=43696×5=480136×8-381=707109×(411-406)=545110×7+937=170759×7=413854-(68+124)=662386-243=143754+228-183=799360-(268-70)=162528×8=4224146×(188-18