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351-42-217=760-416+698=465×8=463-46×9=161×2=354-30=475-(62+180)=793+286+477=200+327+369=94-81=422-207=27×6+114=304+83=871-61+956=2/8+5/8=102×4=779-(112+126)=253-46-126=585+36×7=533+36+378=898+524-348=388-294-71=824-(441+48)=894-173-238=395+78×5=126×(377-370)=167-100=89×(382-374)=846-672=157+311-112=233+(443-301)=340+121-157=730-215+643=19×2=452-262=730-(89+500)=609+(964-925)=98×6=476+204+122=268×3+344=986+533-822=648+519+936=115-(268-174)=685+753=471+(416-123)=837-39×5=287+180=980-681=620-308-151=105-102+245=759-(475-209)=379-159+151=127×6-274=587×2=656+222×4=458-(177+50)=510-401+408=55×(475-471)=149-14+61=437-(123+309)=264+233=949-(714-515)=66+276-311=707-(944-240)=494+358+631=159×(420-417)=490×2=463-(86+329)=956-(413-151)=830×2=136-26=370+(323-140)=813+(206-49)=333-27×6=8/10-2/10=292+306=111+242-256=479+315-699=697-151-442=463-(478-381)=123+308-100=535+(561-440)=345+581+825=866-673-187=372×2=133+321=244×4-48=966+445×2=331-(314-34)=899-64-638=383×2=344-120-178=395+(473-243)=93+232+42=424×8=456+31×4=410-(450-330)=249+(425-183)=513×7-151=282-33=912-17+293=776+862-396=386-(220-126)=697-(605-604)=687+410+206=108-(283-264)=471-171=93+151-24=106×6+18=256-12+95=630-430=99×(310-307)=759-299-353=151×(284-280)=726-(957-937)=210+264=95×7-487=200+581-188=397-41=409-(201-145)=503+945=68×2-71=857×(834-827)=480+126+44=174+165×5=303×7-186=263-33×2=390+134-34=52×(263-260)=553-259-149=232-200=359-281+22=223×4-117=766-(990-404)=984-(226+708)=375-(427-227)=703-300=402+(154-152)=113×(48-42)=907+(530-51)=121+139+242=97×6-442=743-405=104×6-55=710-(114+254)=836-(310+270)=402-109×2=11+(561-410)=161-45-51=807-774+692=411+(267-263)=279-12×4=840-221×2=411×3-318=233+563=29×7-155=891+(889-82)=3/8-1/8=66+12+222=466-340-27=422-(342-205)=34+148=776-27+609=559-52×7=454×2=721×(291-285)=412-195×2=36+171+366=81+363=701+126×2=493×(317-314)=653-264+512=564+369=204+255×2=954-(731-35)=459-126×3=424+(82-81)=454+153-523=876-(494+45)=538-368=1/5+4/5=315+74-328=47×6=305+173=859-79×9=439-266+260=697-405+807=422-331+96=379-268-86=283-116+280=279-11×4=41+289-325=495+(462-80)=156×6=268-148-79=319-110=365-(61+289)=236-52+256=908-72-612=951×8=912-(84+783)=382×2=15×5=294×3+139=612×(981-976)=465-57×4=685-248-302=732+(907-533)=20×3=696-(128+357)=980-31×2=161-(115+25)=120+(957-53)=532-407=79×(391-388)=702-561+525=202-121+77=371-308=114+233-306=1/5+3/5=191×4+842=917-233+206=980-260=771+233+706=408×2+444=412+165×2=138+529+856=532+672+712=53×6=433+(471-233)=239×(246-243)=131+468=676-160-313=273×9-981=192×(82-77)=468+(485-119)=479-(476-190)=338+(289-34)=850×(802-793)=116+219+484=63×6=363-(231+101)=81+56=371-(92+194)=70×8-327=526-420=185-35+186=462-187=504+178=221+(328-92)=348+102+229=418+47×3=509×5-640=3/5-2/5=374-50×5=202+574+15=151-98=459-53-98=428+315=788×(171-162)=463-30-34=697-33×5=30×6-102=446-(417-243)=741-(84-55)=597+806-458=36×3=108+125×5=262×2-76=138-37×3=918-665=109×(747-744)=429-191-228=360-184=924×(448-443)=3/7+2/7=248-85-143=567-540+746=115×8-248=783-84×3=348-28×9=28×(194-190)=263×2=631-(502+103)=207+263=661×4-790=227×2=464-(72+218)=749×(558-551)=770-183-277=890×5=496-(258+164)=288+(404-42)=248+83-158=461+119+323=247-65×2=762+809+663=2/5-1/5=311+177+310=73+(240-134)=6/9-1/9=869+454=147+(979-152)=147+346=438+679-53=74+418=128-62+199=170-72×2=24×9+121=499+63+196=44×6=718×(319-315)=970-(860-794)=169+369+280=283+(741-32)=2/6+3/6=72+954-342=291×7=429-285=224-14=572+161+547=174-(399-334)=122×(425-420)=28+113=350-83×2=349-305+18=207-98×2=36×9-73=146+208-15=833×8=231+93=740-642+731=305×(390-387)=104×(492-489)=487-(375-292)=417-(110+230)=93-73+103=702-(329-140)=952-(621+190)=794+708+414=908-(365+337)=413×3-692=457-67=58×3+475=602-(637-347)=22+(756-514)=135×(217-213)=909-372+305=441×4-80=922-129×7=159×6-162=471×2-712=39-28+437=154+254=294+175=784+672-425=449-178-132=926+132+461=449+585-933=603-317+721=930-660=604-(216+195)=539+927+792=34×(216-213)=149×4=901-(547-222)=762-61×5=895-367=124+25-113=436+55-288=109×(496-487)=395×2=410-(215-190)=514-(519-326)=283+589-120=401×2=701-443=930+170×3=710×9-77=583×4-393=236+115=4/5-1/5=587-404+780=823×2-681=272+(257-226)=516×4=402-15×8=391-(469-422)=761-(622+12)=405-201×2=361+145×3=51+245-79=17+102×7=490-(302-209)=653-82×4=901×7=57+49=760×3=69×2=302+175+294=78×5+146=306-127+36=102+388=338+762+34=498-232×2=850+397-471=72×7-108=569+994-959=181+226-253=312×7-53=535-177=150+(222-33)=444-191-98=815+686-916=776-20×2=408-385=902-(726-96)=301-248-30=576+(801-414)=774-98-586=175+114-213=471-68=4/9+5/9=212-(334-190)=975-(641+31)=164×(55-51)=628+(643-277)=111×4-128=176-92=402+17+157=575+173×4=153+(378-173)=201×(448-442)=153-152+199=404-(74+184)=217-56=249×4-975=465-134=466-35-57=427×8-994=248+19+319=239+186-258=89×9=854×(81-73)=252-112=71×(150-141)=456+242=442×(414-406)=171×5-161=956-709+861=357-(105+126)=492-219+172=716-(407-56)=259+190=4/8-1/8=273-(21+179)=568+829+456=471×2+929=147-(127+15)=20×4+102=410×5-970=333+381=121×5=407-55=261+100=947-(195+258)=191×(84-77)=879+(448-251)=356-259+252=391-245-30=144-(24+86)=726-590=328-186+85=796+556=321+116=570×6-225=529-65-294=587+27+195=640-417=761×4-667=832-609=206-127+326=243+250×2=347-105=19+189×5=99-70=442×5=708+(930-326)=41×5+274=156+124+347=34+385+436=577-(770-270)=491-(216+49)=494-(252+150)=488×8-336=299+831-178=806+756-431=285+790+545=72+95+128=472-143+100=439-(99+308)=449-304-80=202+196-79=417-(223+86)=891-(990-277)=427+326+594=52+45=120+(192-136)=395-(134+73)=999+148-472=496-(375-263)=860-758+650=747-596=463-248-164=980-(169+180)=35+142×6=298+197=51+146=180×5=473-22×5=538×7=864-(62+341)=416-308+196=313-35×4=537+859=334-114-23=457+(405-289)=64×2+555=831×(20-13)=213×3+250=102×7-370=926+(738-563)=497+761-840=61+344-399=261×2-359=288-138-93=140+(653-196)=448×2+983=867×7-982=173+497=675-83×4=365-66×3=58+(405-41)=610+154+112=41×(431-423)=4/8-3/8=471-464+351=247-(243-178)=179-(368-208)=357-347+695=170×8=208-(17-11)=75×(122-118)=299-58-63=691+406-521=34×2+52=10+389-43=378-20×6=592-98-75=364×4-988=682-633+580=332+103-41=329+596=432-(26+387)=787+70×3=78×6=628×7-388=443-153-120=66+169=758-439+792=192×(363-358)=198+(243-234)=217×(320-317)=315-(374-107)=79+(914-203)=359+(473-100)=553×(865-856)=556+(599-329)=166+78×6=42+20×5=268-228-22=185×4=177-106+28=41×8+104=921-684+786=222-98×2=2/4-1/4=2/8+4/8=679×(319-312)=482-77=808+66-767=76×6+308=714-54×6=81×6-85=294-185+798=176+749-486=590+(603-542)=244+87×4=326+28+212=97×7=469+333×2=215×2=718-(987-725)=575×6-537=697+533-917=104×2+419=433-93=725+24+817=79×7-443=367-(46+139)=65+202-31=401-(283-223)=1/6+3/6=880×(96-89)=379+76-203=343-(412-98)=497×(764-759)=120+728+644=754-(134+481)=947-887+817=333+60×5=180+151=412-92×2=761+441-437=399-(197-78)=99+273=186+(441-387)=1/5+2/5=360+(357-155)=192-33=1/3+2/3=123-30×4=303-136×2=81-(311-297)=171×5+528=389-60×5=240-133=379+401+772=260-37×2=414-(419-229)=451-43×3=48×2=24+627+182=473+785=19×7+300=492-422=122-(358-284)=70+297×3=190×2=813+(855-43)=815-406-217=399+656-20=79×5=376+632-820=498-207+85=815-(982-840)=348-42×2=169×(850-842)=638-514=453-(218-146)=32+18=349×2+234=296+(851-412)=117×2=737-39-54=219-80×2=449-(216+139)=314+12+601=429-(310+77)=47+150+276=584-(201+79)=500-235=158-39=333+210+119=602+913-878=459×(58-49)=560×8=434×(963-960)=792-79×6=33×(272-264)=450-(232-185)=633-106×5=420-237-136=439+325×2=53×6-118=943+895=56×8=372+121=28×(398-394)=435-68-45=311-(105-57)=676-(138+229)=410×(928-922)=782×7=204-99×2=43×7=800-(57+526)=63+335=142+520+183=720-83×2=478+989=83×(68-62)=273+92-21=35×5+571=5/7-1/7=930-717-179=122×3+179=325-(83+227)=299+(438-226)=400-(444-363)=668-158×4=219-167=599+485+886=30+174=185+142=109-98=410-81×5=1/7+2/7=118+380-311=76+53=849-47-408=155×4=287×(469-465)=186+(979-825)=582-(703-545)=460-298+288=441-69×4=233+(547-259)=578+(662-301)=211×(282-278)=315-(214-164)=265-126-121=459-(162+111)=113+(467-460)=634-(210+328)=744×6=499+(198-134)=981-98-286=291+757-743=613-533=304+165=789×6-978=1/10+5/10=391-(172+44)=267×2-499=499-105-289=157×(927-924)=45×9+214=309×3-910=448×9-336=693-134+767=150+291-105=829-51-354=294×3-454=421-(495-444)=4/6-2/6=929+181×5=92×4-189=413×2+420=430-(306+123)=502+46+70=68×9+243=269-(10+186)=968-363=421-145-56=293-(154+62)=806-113-87=972+840=566×6=583×(573-567)=312-43-227=234+29-38=335-25+167=301×2-374=242-197=433-98×2=411×4-603=973-(522+324)=380-23-298=368+100×4=324-205+308=528×(341-333)=203+199+127=40+40+821=122+364-449=240-17×5=845-696+487=485-(397-331)=982+488=397+388+64=847-98×5=464+309+664=265-(35+160)=370-(392-206)=950-939+569=264+(345-231)=279-70×2=366-161=30+140=454-38×8=135×(144-137)=209+(554-89)=443×9-176=469-63×3=227+616+29=141×6-274=464×7=288+212-22=326×3-315=494-239-143=633-361-16=861-(169+298)=315×2-499=347-11-15=106+80×4=64+(918-416)=722×3=269+(410-132)=830-20×8=125×7=742+(869-676)=281-(145+75)=419+72×6=329+(749-229)=230×2+735=456-343+193=20×9+445=907+164+468=381-(401-308)=823×(686-683)=225-50-61=756-123-274=301×(612-607)=127×7-365=812-442-21=892-(988-263)=113+46=680+138=444-230+15=920-813-34=161×(62-59)=284×3-426=107-12×4=20+93=3/6-1/6=98×8+479=899-517-347=485+(470-275)=90×2=647-(38+442)=311+147-391=408-384+112=577-537=130+180=977+707+873=293×3-464=47+319-241=462-(238-126)=752×2=846×(169-166)=82+481+308=377-349+193=257-(182+58)=234+729+852=参考答案351-42-217=92760-416+698=1042465×8=3720463-46×9=49161×2=322354-30=324475-(62+180)=233793+286+477=1556200+327+369=89694-81=13422-207=21527×6+114=276304+83=387871-61+956=17662/8+5/8=7/8102×4=408779-(112+126)=541253-46-126=81585+36×7=837533+36+378=947898+524-348=1074388-294-71=23824-(441+48)=335894-173-238=483395+78×5=785126×(377-370)=882167-100=6789×(382-374)=712846-672=174157+311-112=356233+(443-301)=375340+121-157=304730-215+643=115819×2=38452-262=190730-(89+500)=141609+(964-925)=64898×6=588476+204+122=802268×3+344=1148986+533-822=697648+519+936=2103115-(268-174)=21685+753=1438471+(416-123)=764837-39×5=642287+180=467980-681=299620-308-151=161105-102+245=248759-(475-209)=493379-159+151=371127×6-274=488587×2=1174656+222×4=1544458-(177+50)=231510-401+408=51755×(475-471)=220149-14+61=196437-(123+309)=5264+233=497949-(714-515)=75066+276-311=31707-(944-240)=3494+358+631=1483159×(420-417)=477490×2=980463-(86+329)=48956-(413-151)=694830×2=1660136-26=110370+(323-140)=553813+(206-49)=970333-27×6=1718/10-2/10=6/10292+306=598111+242-256=97479+315-699=95697-151-442=104463-(478-381)=366123+308-100=331535+(561-440)=656345+581+825=1751866-673-187=6372×2=744133+321=454244×4-48=928966+445×2=1856331-(314-34)=51899-64-638=197383×2=766344-120-178=46395+(473-243)=62593+232+42=367424×8=3392456+31×4=580410-(450-330)=290249+(425-183)=491513×7-151=3440282-33=249912-17+293=1188776+862-396=1242386-(220-126)=292697-(605-604)=696687+410+206=1303108-(283-264)=89471-171=30093+151-24=220106×6+18=654256-12+95=339630-430=20099×(310-307)=297759-299-353=107151×(284-280)=604726-(957-937)=706210+264=47495×7-487=178200+581-188=593397-41=356409-(201-145)=353503+945=144868×2-71=65857×(834-827)=5999480+126+44=650174+165×5=999303×7-186=1935263-33×2=197390+134-34=49052×(263-260)=156553-259-149=145232-200=32359-281+22=100223×4-117=775766-(990-404)=180984-(226+708)=50375-(427-227)=175703-300=403402+(154-152)=404113×(48-42)=678907+(530-51)=1386121+139+242=50297×6-442=140743-405=338104×6-55=569710-(114+254)=342836-(310+270)=256402-109×2=18411+(561-410)=162161-45-51=65807-774+692=725411+(267-263)=415279-12×4=231840-221×2=398411×3-318=915233+563=79629×7-155=48891+(889-82)=16983/8-1/8=2/866+12+222=300466-340-27=99422-(342-205)=28534+148=182776-27+609=1358559-52×7=195454×2=908721×(291-285)=4326412-195×2=2236+171+366=57381+363=444701+126×2=953493×(317-314)=1479653-264+512=901564+369=933204+255×2=714954-(731-35)=258459-126×3=81424+(82-81)=425454+153-523=84876-(494+45)=337538-368=1701/5+4/5=1315+74-328=6147×6=282305+173=478859-79×9=148439-266+260=433697-405+807=1099422-331+96=187379-268-86=25283-116+280=447279-11×4=23541+289-325=5495+(462-80)=877156×6=936268-148-79=41319-110=209365-(61+289)=15236-52+256=440908-72-612=224951×8=7608912-(84+783)=45382×2=76415×5=75294×3+139=1021612×(981-976)=3060465-57×4=237685-248-302=135732+(907-533)=110620×3=60696-(128+357)=211980-31×2=918161-(115+25)=21120+(957-53)=1024532-407=12579×(391-388)=237702-561+525=666202-121+77=158371-308=63114+233-306=411/5+3/5=4/5191×4+842=1606917-233+206=890980-260=720771+233+706=1710408×2+444=1260412+165×2=742138+529+856=1523532+672+712=191653×6=318433+(471-233)=671239×(246-243)=717131+468=599676-160-313=203273×9-981=1476192×(82-77)=960468+(485-119)=834479-(476-190)=193338+(289-34)=593850×(802-793)=7650116+219+484=81963×6=378363-(231+101)=3181+56=137371-(92+194)=8570×8-327=233526-420=106185-35+186=336462-187=275504+178=682221+(328-92)=457348+102+229=679418+47×3=559509×5-640=19053/5-2/5=1/5374-50×5=124202+574+15=791151-98=53459-53-98=308428+315=743788×(171-162)=7092463-30-34=399697-33×5=53230×6-102=78446-(417-243)=272741-(84-55)=712597+806-458=94536×3=108108+125×5=733262×2-76=448138-37×3=27918-665=253109×(747-744)=327429-191-228=10360-184=176924×(448-443)=46203/7+2/7=5/7248-85-143=20567-540+746=773115×8-248=672783-84×3=531348-28×9=9628×(194-190)=112263×2=526631-(502+103)=26207+263=470661×4-790=1854227×2=454464-(72+218)=174749×(558-551)=5243770-183-277=310890×5=4450496-(258+164)=74288+(404-42)=650248+83-158=173461+119+323=903247-65×2=117762+809+663=22342/5-1/5=1/5311+177+310=79873+(240-134)=1796/9-1/9=5/9869+454=1323147+(979-152)=974147+346=493438+679-53=106474+418=492128-62+199=265170-72×2=2624×9+121=337499+63+196=75844×6=264718×(319-315)=2872970-(860-794)=904169+369+280=818283+(741-32)=9922/6+3/6=5/672+954-342=684291×7=2037429-285=144224-14=210572+161+547=1280174-(399-334)=109122×(425-420)=61028+113=141350-83×2=184349-305+18=62207-98×2=1136×9-73=251146+208-15=339833×8=6664231+93=324740-642+731=829305×(390-387)=915104×(492-489)=312487-(375-292)=404417-(110+230)=7793-73+103=123702-(329-140)=513952-(621+190)=141794+708+414=1916908-(365+337)=206413×3-692=547457-67=39058×3+475=649602-(637-347)=31222+(756-514)=264135×(217-213)=540909-372+305=842441×4-80=1684922-129×7=19159×6-162=792471×2-712=23039-28+437=448154+254=408294+175=469784+672-425=1031449-178-132=139926+132+461=1519449+585-933=101603-317+721=1007930-660=270604-(216+195)=193539+927+792=225834×(216-213)=102149×4=596901-(547-222)=576762-61×5=457895-367=528124+25-113=36436+55-288=203109×(496-487)=981395×2=790410-(215-190)=385514-(519-326)=321283+589-120=752401×2=802701-443=258930+170×3=1440710×9-77=6313583×4-393=1939236+115=3514/5-1/5=3/5587-404+780=963823×2-681=965272+(257-226)=303516×4=2064402-15×8=282391-(469-422)=344761-(622+12)=127405-201×2=3361+145×3=79651+245-79=21717+102×7=731490-(302-209)=397653-82×4=325901×7=630757+49=106760×3=228069×2=138302+175+294=77178×5+146=536306-127+36=215102+388=490338+762+34=1134498-232×2=34850+397-471=77672×7-108=396569+994-959=604181+226-253=154312×7-53=2131535-177=358150+(222-33)=339444-191-98=155815+686-916=585776-20×2=736408-385=23902-(726-96)=272301-248-30=23576+(801-414)=963774-98-586=90175+114-213=76471-68=4034/9+5/9=1212-(334-190)=68975-(641+31)=303164×(55-51)=656628+(643-277)=994111×4-128=316176-92=84402+17+157=576575+173×4=1267153+(378-173)=358201×(448-442)=1206153-152+199=200404-(74+184)=146217-56=161249×4-975=21465-134=331466-35-57=374427×8-994=2422248+19+319=586239+186-258=16789×9=801854×(81-73)=6832252-112=14071×(150-141)=639456+242=698442×(414-406)=3536171×5-161=694956-709+861=1108357-(105+126)=126492-219+172=445716-(407-56)=365259+190=4494/8-1/8=3/8273-(21+179)=73568+829+456=1853471×2+929=1871147-(127+15)=520×4+102=182410×5-970=1080333+381=714121×5=605407-55=352261+100=361947-(195+258)=494191×(84-77)=1337879+(448-251)=1076356-259+252=349391-245-30=116144-(24+86)=34726-590=136328-186+85=227796+556=1352321+116=437570×6-225=3195529-65-294=170587+27+195=809640-417=223761×4-667=2377832-609=223206-127+326=405243+250×2=743347-105=24219+189×5=96499-70=29442×5=2210708+(930-326)=131241×5+274=479156+124+347=62734+385+436=855577-(770-270)=77491-(216+49)=226494-(252+150)=92488×8-336=3568299+831-178=952806+756-431=1131285+790+545=162072+95+128=295472-143+100=429439-(99+308)=32449-304-80=65202+196-79=319417-(223+86)=108891-(990-277)=178427+326+594=134752+45=97120+(192-136)=176395-(134+73)=188999+148-472=675496-(375-263)=384860-758+650=752747-596=151463-248-164=51980-(169+180)=63135+142×6=887298+197=49551+146=197180×5=900473-22×5=363538×7=3766864-(62+341)=461416-308+196=304313-35×4=173537+859=1396334-114-23=197457+(405-289)=57364×2+555=683831×(20-13)=5817213×3+250=889102×7-370=344926+(738-563)=1101497+761-840=41861+344-399=6261×2-359=163288-138-93=57140+(653-196)=597448×2+983=1879867×7-982=5087173+497=670675-83×4=343365-66×3=16758+(405-41)=422610+154+112=87641×(431-423)=3284/8-3/8=1/8471-464+351=358247-(243-178)=182179-(368-208)=19357-347+695=705170×8=1360208-(17-11)=20275×(122-118)=300299-58-63=178691+406-521=57634×2+52=12010+389-43=356378-20×6=258592-98-75=419364×4-988=468682-633+580=629332+103-41=394329+596=925432-(26+387)=19787+70×3=99778×6=468628×7-388=4008443-153-120=17066+169=235758-439+792=1111192×(363-358)=960198+(243-234)=207217×(320-317)=651315-(374-107)=4879+(914-203)=790359+(473-100)=732553×(865-856)=4977556+(599-329)=826166+78×6=63442+20×5=142268-228-22=18185×4=740177-106+28=9941×8+104=432921-684+786=1023222-98×2=262/4-1/4=1/42/8+4/8=6/8679×(319-312)=4753482-77=405808+66-767=10776×6+308=764714-54×6=39081×6-85=401294-185+798=907176+749-486=439590+(603-542)=651244+87×4=592326+28+212=56697×7=679469+333×2=1135215×2=430718-(987-725)=456575×6-537=2913697+533-917=313104×2+419=627433-93=340725+24+817=156679×7-443=110367-(46+139)=18265+202-31=236401-(283-223)=3411/6+3/6=4/6880×(96-89)=6160379+76-203=252343-(412-98)=29497×(764-759)=2485120+728+644=1492754-(134+481)=139947-887+817=877333+60×5=633180+151=331412-92×2=228761+441-437=765399-(197-78)=28099+273=372186+(441-387)=2401/5+2/5=3/5360+(357-155)=562192-33=1591/3+2/3=1123-30×4=3303-136×2=3181-(311-297)=67171×5+528=1383389-60×5=89240-133=107379+401+772=1552260-37×2=186414-(419-229)=224451-43×3=32248×2=9624+627+182=833473+785=125819×7+300=433492-422=70122-(358-284)=4870+297×3=961190×2=380813+(855-43)=1625815-406-217=192399+656-20=103579×5=395376+632-820=188498-207+85=376815-(982-840)=673348-42×2=264169×(850-842)=1352638-514=124453-(218-146)=38132+18=50349×2+234=932296+(851-412)=735117×2=234737-39-54=644219-80×2=59449-(216+139)=94314+12+601=927429-(310+77)=4247+150+276=473584-(201+79)=304500-235=265158-39=119333+210+119=662602+913-878=637459×(58-49)=4131560×8=4480434×(963-960)=1302792-79×6=31833×(272-264)=264450-(232-185)=403633-106×5=103420-237-136=47439+325×2=108953×6-118=200943+895=183856×8=448372+121=49328×(398-394)=112435-68-45=322311-(105-57)=263676-(138+229)=309410×(928-922)=2460782×7=5474204-99×2=643×7=301800-(57+526)=21763+335=398142+520+183=845720-83×2=554478+989=146783×(68-62)=498273+92-21=34435×5+571=7465/7-1/7=4/7930-717-179=34122×3+179=545325-(83+227)=15299+(438-226)=511400-(444-363)=319668-158×4=36219-167=52599+485+886