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279-49=772-600=673×9=312-(408-318)=910+(796-780)=778-118=390+(758-471)=725×3-512=80+369-227=951-92×4=425-(198+198)=85×8=845+616-910=830-(235+248)=103+55×8=498-463=87×6-331=244+52=86+100-136=119×8=949+732=95+697+899=320-56=200+63×3=942-397+295=341+144-273=269+719-675=387-(399-224)=47×7+481=19+111=866+957+823=225-52=343-183=81+215-249=196+339+403=49+(49-28)=964-(565-461)=257-67-36=921-(459+367)=498-348+267=267+(454-143)=695-123+565=193×2+634=606-100=309+706-839=107+181=7/9+2/9=50+51×3=541+483-520=14×3+84=775-50-599=16+432+445=287-(28+74)=458-(20+254)=647-383=248×(141-138)=866-114×7=551+210=195×7=728-254-54=988-731-63=322-(319-55)=477-274=230×3=161×6+165=110+426=73+41=365-(78+160)=865-518+61=161+557-648=918-88+378=998-(78+691)=298-59-132=536+185=85+427×2=127+145-146=323-207-22=346-137×2=33+335-173=214+294=481×3=226-66+225=254×3=816-(170+523)=424×4-353=34+660-589=66×(153-149)=3/8-2/8=99-(303-266)=187×3=333+147-317=25×(326-317)=56×(470-464)=131+162=574×9=955-124-32=705+144+116=240×3=433×3-196=158×(206-203)=399+138+136=867+(814-367)=99×(104-97)=228+239=390×(525-518)=235×2=185+684+82=827+(585-119)=449-395+947=436-64-270=702+169×3=245-(13+206)=164×3=96×2=709-(675-299)=1/8+2/8=518-67-415=643×5-639=849-(554+235)=486-38×4=319-(248-61)=932-234+690=876-188=973-485×2=832-47×8=379-(799-680)=948-524=220-(145-79)=688-92×6=330-(794-603)=809-34×9=624+479+342=375+512=854+703-540=581-347=138+305-194=205+201=302×(444-441)=392-(488-424)=11×7+839=193×5-342=427-68-195=566+375×2=120-11-61=355-16×4=54×4+445=432-317+366=271-(34+115)=51×8+986=577+567-186=172×(29-24)=540-283=245+847=362+130-36=639×2-409=612-(29+66)=318+103×6=391-150+444=63+(383-330)=882×9-122=192+68+178=201×3+316=960-265+746=802-306-346=14×(419-411)=337-101+158=60+256-282=468-77-176=195-(472-463)=2/6+3/6=439-(320-282)=890-119×7=431-231+275=214×7=169+264+435=924×3=114×2=285-(203-125)=105+130-41=552+(983-386)=398-131-128=184+(369-313)=848-48×2=435-13-95=471-(187+170)=928-463+770=902-615=173-(136-55)=232×(19-14)=906-104×4=72×(377-371)=632+729-106=301-14×7=306-190=737-550+632=558×(255-247)=979-104×4=4/8-1/8=455-52×3=136×(422-418)=754+600-550=921-751=117+575=361+(399-194)=295×(436-433)=280×9=666-106=3/6+2/6=382-63×5=111+146=166×4-569=490×2-140=496-127=139×(126-123)=360-(565-392)=41×5=650+129×7=964+769-552=679-71-293=578-(434-224)=556+916-166=184-162=312-(199+39)=335+342+73=952+(700-617)=355+45-330=295×3-789=109×4+366=102+114×4=909-(140+232)=288+198-103=400-(240+84)=99+241+322=263×(109-106)=247+(90-27)=300+170-301=211×3+475=695-192-362=991-(147-101)=783×9=712-523-68=730×8-642=124-51=748-145-193=298-51×4=327+960=226+380+46=818-365-137=227-195=819-(477+236)=903-(291+188)=450-10=67×6-197=423-(295+128)=921-(518-119)=563-(928-870)=394-243=337+155=356+291×2=399-50=175×5=135-54+220=67×3+291=697+(256-242)=921-818+703=531+444-553=969-784=482-196-20=437-121×2=105×7-308=738-16+994=477-58×5=249×3-62=863-86×9=748×9-389=464×8-556=354+394-650=110-(37+70)=108×9-153=900×(893-890)=946×(796-793)=138×(119-116)=26+76+972=655-315=148×3+76=529-(831-599)=329-221-91=847-(146+390)=232+296=2/3-1/3=165+329=470×5=148-(231-209)=316-205+741=486-(174+158)=765+135×6=150+228=800×(408-404)=138+289=115×3+859=358-196+338=789×3-880=353×2=412+102×8=922-108×8=375+(433-386)=341-178+182=642-17×7=980-259+399=377-(80+203)=731+(607-453)=886+67×5=591-565=20+30=168+(459-53)=295×(484-477)=814-311+453=603-202+472=478-17×6=435+(472-58)=121-52+336=851-712+359=424×2=301-(544-349)=804+(914-652)=216+351=214×4-840=121+513-132=481+(397-240)=718+604=90+140=416-109=292+11×2=427+36-405=23×5+82=248+60=164×(230-227)=1/8+3/8=251×8-619=444-319=635-260×2=15×(222-215)=850-(859-681)=92+368=368-117=425-31×8=79+303=329×(619-611)=409+140×5=945×(578-573)=998-200-790=345×2-568=494-(124+240)=385-60-56=263+175=421+284-397=224+141=303-160+326=710+479+151=84×4+83=173-32×3=518-(247+41)=64×8=237-143+71=97-(949-903)=3/4-1/4=419-26×3=406+36-399=196-62+25=127+189=842-602=16+(589-537)=124×4=136×5=614-(881-639)=33×6+620=598×6=728-125-488=408-169=923-817+230=231×(642-637)=66×(215-209)=4/8-2/8=488-434=329-307+377=265×2+81=459×2-789=736-14×7=212×(57-54)=357+217+204=275-224+181=28+377-272=264+737+859=302+252=165-(383-236)=228+69=119+33=120×6=814-(243+346)=468-(403+40)=39×3=980-103×9=799×5=330+496+18=73+312-354=665×7-789=279-(135+69)=596×8=561×(370-364)=857×(490-485)=968-(70+760)=796-521=56-(48-35)=368-44×3=303-270=571×8=563-435=418+(630-587)=856+641-974=319×(470-467)=127×8=471-151-319=682×4-66=104×7=267+478+107=780-(29+383)=203+(525-194)=495×6-766=308×3=812+160×5=320-(411-250)=963-814-101=17+356+152=781-(472+263)=151+65=980-582=3/6-1/6=808×9-705=488-(235+152)=189-170+358=209-30×4=455-351-79=244-(122-36)=750+994=440-(353-127)=834+989=782×7-822=431×2=106+(555-478)=767×9=386×5=385-75+13=514+(681-103)=651-81-293=300+107=833+(621-178)=171+195+470=576×6-245=790-(855-227)=214+(496-102)=298-(56+200)=953-(571-267)=584×8=412×5=129+187×4=422+(380-58)=160×2=191×5-37=194-53=147-(234-217)=808-(72+288)=434×7=3/7+2/7=293-(135+63)=429-420+29=873-57-149=981-242×4=447-55-191=320+357=717×(604-597)=64×(345-337)=931+107+252=942-(67+37)=464-13=36+16=675-21×6=164-20×5=828+234+943=140×6=739-121=59+341=732×(919-913)=173+128=771+(913-118)=352-87×2=429-72-38=358-283+410=807×(661-656)=261×3=486-39×2=931-185-386=86+160+661=124×(471-467)=164-(280-207)=803-(196+71)=538-(62+447)=162+135+162=95+400-66=291×(51-42)=615-314+146=399-(104+39)=56×3-27=381-(134+69)=11×7=367-59×2=987×2=387-56=707+184+19=408-183-121=245×2+166=3/5+2/5=432-(130+183)=236×4-341=597×(235-229)=597+244×3=333-99+150=43×(106-98)=52×2=464-224-132=233+69+428=197×2-146=443-124-93=644-(169+474)=180-(175-25)=345-319+342=360-(355-118)=792+445=341+571+20=401-53×7=643+405=51+83×5=450+200+305=468-382+943=741+535+195=256-28-188=329-(179-92)=5/8-2/8=354+(479-35)=255+201-110=894-44=97+547+147=563×(851-848)=121-61-54=839-708+83=109×8-216=910-320-220=2/4-1/4=573×4-403=32×9+275=42+250=64×9-36=240-45×2=453-173=458-250=215+(428-282)=729-29×8=705×(427-422)=98+166+84=443+30×2=890-230-24=853+79+500=333+323+313=781+(820-303)=483-258=871-59×3=130+29+289=478-11×8=386-(233+82)=482-417-35=104×(473-464)=541-(126+71)=567-(281-183)=375-(389-110)=324+(918-692)=18+680+956=580+303+741=736-(196+142)=264-134+77=381-(27+29)=188×4=116×6=104+220-57=507+34-470=942+865-628=217+276=321+94-401=55+(494-294)=178+(747-499)=86×9-243=316-(245-222)=379-377+182=23+338-296=675+(927-373)=138+35+752=796-610+161=432×2-784=820-(154-117)=173+328+865=4/6-1/6=578×5-426=535+344=648-127×3=492+(464-124)=510-164-144=865×5=374-31×6=396-(240-108)=796-523+687=492-25×3=671-598+974=43+(471-88)=419×2+267=938+(459-418)=471+149+905=109×3=31+246-227=112×4+938=57+194=5/6-1/6=405×(157-153)=962-481-322=332+43-247=266+(274-219)=81+(441-347)=162+750+544=290+188-252=400-61=226-119+252=418-(285-49)=141+16×2=449+(490-11)=434-52-92=198+603=421+(479-470)=294+126+995=94-30×2=738-(710-408)=452-232-211=359-(105+88)=834+(681-454)=908+(689-440)=265-(51-25)=95+130+355=134-(76-34)=153+418+264=470+91×6=475-(161+162)=309-61×2=114×5+429=693×6-404=352-(174-172)=404-394=153+809-849=451-24×3=944-63×7=214-(491-451)=307+246=225×(105-102)=786-143×5=673×8-926=331×2+228=119×8-153=146+182-261=102+315-241=265+136-163=560+399×2=844-10-430=532+153+496=403+61-96=359×(645-638)=248-(99-38)=246-25×8=156-53=27+42+140=61×7+842=347+532-201=315-(22+246)=726×(19-11)=377-86×4=435+36+428=868-(458+370)=806-(19+14)=222×4-241=18+633+297=820-(299+517)=146+71×5=814+73+267=455-(90-60)=90×4=897+211=622+(954-452)=405-47×7=446-132-124=989-326-158=566+612+604=310-189=817+81-163=82+(889-871)=472-177-255=933×5=128+(449-238)=905-29+218=931+169-805=52×3+624=651+(651-112)=799×2-306=463-(276+120)=659-349+761=2/7+3/7=389-223=1/6+3/6=920+(609-408)=275+(147-35)=642-167=246×3-415=946-845+237=239-56+157=103-(158-119)=431-328+261=812-(123+57)=54+318+235=815-810+131=843×(557-552)=485+(662-253)=247+455+492=762-(85+318)=832×(824-817)=407-283-11=113-23+41=454+(348-167)=480-317+23=258-28×5=268-(934-695)=490+(600-552)=788-750+701=558+23+412=55+248=1/4+3/4=408-(435-394)=285+57=917-170-715=363+54+21=223×2-190=960+196-505=266-250+439=553+760+802=541-(465-79)=170+192-300=154+96×5=654×3=255+187×2=199+122+554=886-450+344=162+173×3=527+327=100+191=514-(389-139)=362-10×2=827×5-760=200×3+214=65×9-349=941×(534-527)=481-11-158=652-470=794-(147-124)=991-308×3=870-627=577×7-914=479-(99+290)=270-(23+184)=123×(413-408)=395-366=107×3+430=126×4=484×2-396=151×4-548=93-82=867×4-490=493+(213-51)=605-233-372=884×(525-522)=336+57×3=127×6-422=780-(995-765)=200×4+704=231×(469-465)=261+(164-55)=550-319=65×9=122+239=245-67×2=44×8=845+760-196=199×5-841=433-293-53=434+(401-142)=492+648+993=354-17+42=820×4-560=160×(194-191)=74×(375-371)=884-(15+303)=171×(661-655)=975-610-180=25×8-152=722+892-482=4/7+2/7=174+51=20×(362-358)=2/5-1/5=32×(68-64)=449-215=790+(882-780)=404-168-186=994-517-47=187+(449-23)=203×(189-180)=246×8-474=293×3-239=320×(72-69)=980-60=480-25×6=617-367=33×8=190+85=573+125×5=922+977-779=459-347+292=361-121-222=65×8+33=102×7-245=225-60-28=820+424-16=950-(881-180)=271-11×8=28+(97-83)=449+87×6=3/5-1/5=200×7=572-(621-496)=3/10+4/10=928+657-792=137+(419-184)=123+310=974-294×2=976+323+137=468-137-27=496-(353+34)=156+638+178=239-(67+74)=313+268+81=130×5=190×2-250=25×7+290=参考答案279-49=230772-600=172673×9=6057312-(408-318)=222910+(796-780)=926778-118=660390+(758-471)=677725×3-512=166380+369-227=222951-92×4=583425-(198+198)=2985×8=680845+616-910=551830-(235+248)=347103+55×8=543498-463=3587×6-331=191244+52=29686+100-136=50119×8=952949+732=168195+697+899=1691320-56=264200+63×3=389942-397+295=840341+144-273=212269+719-675=313387-(399-224)=21247×7+481=81019+111=130866+957+823=2646225-52=173343-183=16081+215-249=47196+339+403=93849+(49-28)=70964-(565-461)=860257-67-36=154921-(459+367)=95498-348+267=417267+(454-143)=578695-123+565=1137193×2+634=1020606-100=506309+706-839=176107+181=2887/9+2/9=150+51×3=203541+483-520=50414×3+84=126775-50-599=12616+432+445=893287-(28+74)=185458-(20+254)=184647-383=264248×(141-138)=744866-114×7=68551+210=761195×7=1365728-254-54=420988-731-63=194322-(319-55)=58477-274=203230×3=690161×6+165=1131110+426=53673+41=114365-(78+160)=127865-518+61=408161+557-648=70918-88+378=1208998-(78+691)=229298-59-132=107536+185=72185+427×2=939127+145-146=126323-207-22=94346-137×2=7233+335-173=195214+294=508481×3=1443226-66+225=385254×3=762816-(170+523)=123424×4-353=134334+660-589=10566×(153-149)=2643/8-2/8=1/899-(303-266)=62187×3=561333+147-317=16325×(326-317)=22556×(470-464)=336131+162=293574×9=5166955-124-32=799705+144+116=965240×3=720433×3-196=1103158×(206-203)=474399+138+136=673867+(814-367)=131499×(104-97)=693228+239=467390×(525-518)=2730235×2=470185+684+82=951827+(585-119)=1293449-395+947=1001436-64-270=102702+169×3=1209245-(13+206)=26164×3=49296×2=192709-(675-299)=3331/8+2/8=3/8518-67-415=36643×5-639=2576849-(554+235)=60486-38×4=334319-(248-61)=132932-234+690=1388876-188=688973-485×2=3832-47×8=456379-(799-680)=260948-524=424220-(145-79)=154688-92×6=136330-(794-603)=139809-34×9=503624+479+342=1445375+512=887854+703-540=1017581-347=234138+305-194=249205+201=406302×(444-441)=906392-(488-424)=32811×7+839=916193×5-342=623427-68-195=164566+375×2=1316120-11-61=48355-16×4=29154×4+445=661432-317+366=481271-(34+115)=12251×8+986=1394577+567-186=958172×(29-24)=860540-283=257245+847=1092362+130-36=456639×2-409=869612-(29+66)=517318+103×6=936391-150+444=68563+(383-330)=116882×9-122=7816192+68+178=438201×3+316=919960-265+746=1441802-306-346=15014×(419-411)=112337-101+158=39460+256-282=34468-77-176=215195-(472-463)=1862/6+3/6=5/6439-(320-282)=401890-119×7=57431-231+275=475214×7=1498169+264+435=868924×3=2772114×2=228285-(203-125)=207105+130-41=194552+(983-386)=1149398-131-128=139184+(369-313)=240848-48×2=752435-13-95=327471-(187+170)=114928-463+770=1235902-615=287173-(136-55)=92232×(19-14)=1160906-104×4=49072×(377-371)=432632+729-106=1255301-14×7=203306-190=116737-550+632=819558×(255-247)=4464979-104×4=5634/8-1/8=3/8455-52×3=299136×(422-418)=544754+600-550=804921-751=170117+575=692361+(399-194)=566295×(436-433)=885280×9=2520666-106=5603/6+2/6=5/6382-63×5=67111+146=257166×4-569=95490×2-140=840496-127=369139×(126-123)=417360-(565-392)=18741×5=205650+129×7=1553964+769-552=1181679-71-293=315578-(434-224)=368556+916-166=1306184-162=22312-(199+39)=74335+342+73=750952+(700-617)=1035355+45-330=70295×3-789=96109×4+366=802102+114×4=558909-(140+232)=537288+198-103=383400-(240+84)=7699+241+322=662263×(109-106)=789247+(90-27)=310300+170-301=169211×3+475=1108695-192-362=141991-(147-101)=945783×9=7047712-523-68=121730×8-642=5198124-51=73748-145-193=410298-51×4=94327+960=1287226+380+46=652818-365-137=316227-195=32819-(477+236)=106903-(291+188)=424450-10=44067×6-197=205423-(295+128)=0921-(518-119)=522563-(928-870)=505394-243=151337+155=492356+291×2=938399-50=349175×5=875135-54+220=30167×3+291=492697+(256-242)=711921-818+703=806531+444-553=422969-784=185482-196-20=266437-121×2=195105×7-308=427738-16+994=1716477-58×5=187249×3-62=685863-86×9=89748×9-389=6343464×8-556=3156354+394-650=98110-(37+70)=3108×9-153=819900×(893-890)=2700946×(796-793)=2838138×(119-116)=41426+76+972=1074655-315=340148×3+76=520529-(831-599)=297329-221-91=17847-(146+390)=311232+296=5282/3-1/3=1/3165+329=494470×5=2350148-(231-209)=126316-205+741=852486-(174+158)=154765+135×6=1575150+228=378800×(408-404)=3200138+289=427115×3+859=1204358-196+338=500789×3-880=1487353×2=706412+102×8=1228922-108×8=58375+(433-386)=422341-178+182=345642-17×7=523980-259+399=1120377-(80+203)=94731+(607-453)=885886+67×5=1221591-565=2620+30=50168+(459-53)=574295×(484-477)=2065814-311+453=956603-202+472=873478-17×6=376435+(472-58)=849121-52+336=405851-712+359=498424×2=848301-(544-349)=106804+(914-652)=1066216+351=567214×4-840=16121+513-132=502481+(397-240)=638718+604=132290+140=230416-109=307292+11×2=314427+36-405=5823×5+82=197248+60=308164×(230-227)=4921/8+3/8=4/8251×8-619=1389444-319=125635-260×2=11515×(222-215)=105850-(859-681)=67292+368=460368-117=251425-31×8=17779+303=382329×(619-611)=2632409+140×5=1109945×(578-573)=4725998-200-790=8345×2-568=122494-(124+240)=130385-60-56=269263+175=438421+284-397=308224+141=365303-160+326=469710+479+151=134084×4+83=419173-32×3=77518-(247+41)=23064×8=512237-143+71=16597-(949-903)=513/4-1/4=2/4419-26×3=341406+36-399=43196-62+25=159127+189=316842-602=24016+(589-537)=68124×4=496136×5=680614-(881-639)=37233×6+620=818598×6=3588728-125-488=115408-169=239923-817+230=336231×(642-637)=115566×(215-209)=3964/8-2/8=2/8488-434=54329-307+377=399265×2+81=611459×2-789=129736-14×7=638212×(57-54)=636357+217+204=778275-224+181=23228+377-272=133264+737+859=1860302+252=554165-(383-236)=18228+69=297119+33=152120×6=720814-(243+346)=225468-(403+40)=2539×3=117980-103×9=53799×5=3995330+496+18=84473+312-354=31665×7-789=3866279-(135+69)=75596×8=4768561×(370-364)=3366857×(490-485)=4285968-(70+760)=138796-521=27556-(48-35)=43368-44×3=236303-270=33571×8=4568563-435=128418+(630-587)=461856+641-974=523319×(470-467)=957127×8=1016471-151-319=1682×4-66=2662104×7=728267+478+107=852780-(29+383)=368203+(525-194)=534495×6-766=2204308×3=924812+160×5=1612320-(411-250)=159963-814-101=4817+356+152=525781-(472+263)=46151+65=216980-582=3983/6-1/6=2/6808×9-705=6567488-(235+152)=101189-170+358=377209-30×4=89455-351-79=25244-(122-36)=158750+994=1744440-(353-127)=214834+989=1823782×7-822=4652431×2=862106+(555-478)=183767×9=6903386×5=1930385-75+13=323514+(681-103)=1092651-81-293=277300+107=407833+(621-178)=1276171+195+470=836576×6-245=3211790-(855-227)=162214+(496-102)=608298-(56+200)=42953-(571-267)=649584×8=4672412×5=2060129+187×4=877422+(380-58)=744160×2=320191×5-37=918194-53=141147-(234-217)=130808-(72+288)=448434×7=30383/7+2/7=5/7293-(135+63)=95429-420+29=38873-57-149=667981-242×4=13447-55-191=201320+357=677717×(604-597)=501964×(345-337)=512931+107+252=1290942-(67+37)=838464-13=45136+16=52675-21×6=549164-20×5=64828+234+943=2005140×6=840739-121=61859+341=400732×(919-913)=4392173+128=301771+(913-118)=1566352-87×2=178429-72-38=319358-283+410=485807×(661-656)=4035261×3=783486-39×2=408931-185-386=36086+160+661=907124×(471-467)=496164-(280-207)=91803-(196+71)=536538-(62+447)=29162+135+162=45995+400-66=429291×(51-42)=2619615-314+146=447399-(104+39)=25656×3-27=141381-(134+69)=17811×7=77367-59×2=249987×2=1974387-56=331707+184+19=910408-183-121=104245×2+166=6563/5+2/5=1432-(130+183)=119236×4-341=603597×(235-229)=3582597+244×3=1329333-99+150=38443×(106-98)=34452×2=104464-224-132=108233+69+428=730197×2-146=248443-124-93=226644-(169+474)=1180-(175-25)=30345-319+342=368360-(355-118)=123792+445=1237341+571+20=932401-53×7=30643+405=104851+83×5=466450+200+305=955468-382+943=1029741+535+195=1471256-28-188=40329-(179-92)=2425/8-2/8=3/8354+(479-35)=798255+201-110=346894-44=85097+547+147=791563×(851-848)=1689121-61-54=6839-708+83=214109×8-216=656910-320-220=3702/4-1/4=1/4573×4-403=188932×9+275=56342+250=29264×9-36=540240-45×2=150453-173=280458-250=208215+(428-282)=361729-29×8=497705×(427-422)=352598+166+84=348443+30×2=503890-230-24=636853+79+500=1432333+323+313=969781+(820-303)=1298483-258=225871-59×3=694130+29+289=448478-11×8=390386-(233+82)=71482-417-35=30104×(473-464)=936541-(126+71)=344567-(281-183)=469375-(389-110)=96324+(918-692)=55018+680+956=1654580+303+741=1624736-(196+142)=398264-134+77=207381-(27+29)=325188×4=752116×6=696104+220-57=267507+34-470=71942+865-628=1179217+276=493321+94-401=1455+(494-294)=255178+(747-499)=42686×9-243=531316-(245-222)=293379-377+182=18423+338-296=65675+(927-373)=1229138+35+752=925796-610+161=347432×2-784=80820-(154-117)=783173+328+865=13664/6-1/6=3/6578×5-426=2464535+344=879648-127×3=267492+(464-124)=832510-164-144=202865×5=4325374-31×6=188396-(240-108)=264796-523+687=960492-25×3=417671-598+974=104743+(471-88)=426419×2+267=1105938+(459-418)=979471+149+905=1525109×3=32731+246-227=50112×4+938=138657+194=2515/6-1/6=4/6405×(157-153)=1620962-481-322=159332+43-247=128266+(274-219)=32181+(441-347)=175162+750+544=1456290+188-252=226400-61=339226-119+252=359418-(285-49)=182141+16×2=173449+(490-11)=928434-52-92=290198+603=801421+(479-470)=430294+126+995=141594-30×2=34738-(710-408)=436452-232-211=9359-(105+88)=166834+(681-454)=1061908+(689-440)=1157265-(51-25)=23995+130+355=580134-(76-34)=92153+418+264=835470+91×6=1016475-(161+162)=152309-61×2=187114×5+429=999693×6-404=3754352-(174-172)=350404-394=10153+809-849=113451-24×3=379944-63×7=503214-(491-451)=174307+246=553225×(105-102)=675786-143×5=71673×8-926=4458331×2+228=890119×8-153=799146+182-261=67102+315-241=176265+136-163=238560+399×2=1358844-10-430=404532+153+496=1181403+61-96=368359×(645-638)=2513248-(99-38)=187246-25×8=46156-53=10327+42+140=20961×7+842=1269347+532-201=678315-(22+246)=47726×(19-11)=5808377-86×4=33435+36+428=899868-(458+370)=40806-(19+14)=773222×4-241=64718+633+297=948820-(299+517)=4146+71×5=501814+73+267=1154455-(90-60)=42590×4=360897+211=1108622+(954-452)=1124405-47×7=76446-132-124=190989-326-158=505566+612+604=1782310-189=121817+81-163=73582+(889-871)=100472-177-255=40933×5=4665128+(449-238)=339905-29+218