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800-312+54=898-372+614=161-114=39+560+390=931-345-282=317-311+481=464+70×7=943+466=661-(382+37)=386-25-185=32×8+809=101+(820-481)=404+345=915-445-40=788+888+181=994-(272-236)=163×5=310+56×7=264-226+471=353-(47-26)=350×2+592=157×3-171=558+653=140+114=95×7=108+274-174=183-48-129=337+(455-419)=182-89=186+723+20=58×3+259=631-(173+114)=168×8=177+(290-110)=1/6+3/6=485-(183-156)=70+910+798=352-212-100=322×3-950=237-(336-223)=258+230-312=135×3-90=448+(377-195)=410-(59+279)=33×2=50+276-180=678-460=350-138-95=871-126×3=18×3=650+200×4=404-279=336×2=949+49+802=244+81-46=534+28+73=938-65×4=442×(852-845)=890-374+300=310-217=697-496-124=482+232-549=407+(448-139)=167+135-201=863-245×3=572+254+146=308-(52+130)=877-(409+85)=151+265-59=430+(645-143)=798+85×2=400+96-101=487-437=249-193+293=417-248=565-(342-302)=224×2+923=85×(805-797)=980-405×2=92+967+350=48+309+520=706×5-246=372-118-209=405-(346-265)=112+259=492-32×8=470+189×5=2/7-1/7=396-(210-163)=431-222+151=186×5+291=771+163+38=40×7-32=307-31×5=258+690=445-35-122=164+271=693+108-299=928-(10+741)=16+(304-104)=144+240=335-90=145×5-78=144-(146-29)=231×(375-366)=135+614=154-37×2=120×5-459=198-105+160=432-215+254=655×2-545=33×(490-485)=800×4-574=828×4-283=640+846-475=411-37-90=880-21×3=983-(398-351)=425-60+111=426-102=137×3+188=177+53=486-(138+200)=10+306-311=40×(319-311)=128×7=807-555-52=464-(69+392)=28+501+620=597-407=484-465+160=444-80-103=212+43+386=312×(495-492)=848-697=954+305-72=430+(480-267)=428+820+349=820×(157-154)=287×(702-697)=207-(490-381)=303-149=486-(83+177)=359-(96+109)=586-61=55×4+406=89×(96-87)=487-289-85=49+315+167=286+305×3=180-28=321-(110+124)=117×(114-111)=478-(135+65)=697×9=689+71+185=162×2+279=132×(342-335)=474-83-377=935-48-323=601×(33-28)=3/7-1/7=405+(914-198)=842-(191+130)=793-325-178=321-109-109=86+137=895-(924-162)=621-395+568=417-226+122=568×8=755-(818-775)=159×4=767-270=344+150-409=861-(727-234)=845+290×2=443-(315-25)=782-278+126=870-(781-512)=53+386+380=567-485+293=168×2+463=247×4+265=930-(610+164)=433-(114+221)=242+95=94×7-51=12+(474-395)=15×9+300=468-35×5=451-234=260+703-159=969+281=129+197=382-(24+256)=891-(470+84)=667×3-668=2/3-1/3=736-160=37+406-200=865+58×9=26×6+61=861+648-228=928-107-788=374-(297+67)=262+73=573×(403-396)=590+907=28+341-194=424-(166+66)=6/9-1/9=344-232-95=65+150=102-(104-100)=251×(644-635)=497×2=455×2-418=141×5-364=585+838-105=415-196×2=154+157×3=153-(203-187)=3/5-1/5=455+378+32=820×(142-139)=780-206=422-(479-246)=140×9=131×2=135+125=491×2=453-190-258=493-28×2=124×3-147=99+38=781-(362+174)=495-(206-15)=393-21×9=411+963+361=621+420+829=291-(84+188)=180+671-316=96-(486-423)=170×5=353-33×3=421-210+91=133+111=388+(449-62)=742-284-414=798-547+856=424-29×8=697-317+422=156+218=875-666+798=116×6+51=265-74=285+(924-883)=482-(33+17)=321×3-949=793+679+719=885-(486-41)=560-29+120=460+(194-47)=675-399=301×3=314-295+766=253-(368-357)=223+67×7=160+(440-255)=810-671=612-(813-780)=590-244=67×4=316-223+201=76+290×3=43×2=168+51=942+466-477=436-133=165×(500-494)=466+52+835=210+203-370=406-(27+21)=84×2+290=347-98+135=497-(126+253)=426+(975-189)=186-(272-241)=807-288=65×6=201×(364-361)=147×5=259-(152+104)=565×(879-870)=862+(876-218)=116×7-252=399-341+177=466-(49+353)=672-54-236=210+(70-45)=317+59×8=903+452-374=419×(300-294)=605×4-678=245-102×2=193+193-353=439+(210-37)=56+(533-71)=869-227-439=630+148-213=994×5=489-170-73=908-253×3=763+(811-558)=120+235×3=558-(110+268)=346×3-426=195×5-298=94×5+137=357-252-18=498-273=122+250-172=250+(171-42)=674-30-602=117×8-281=965-114-837=301-126+113=453-443+425=108+222=522-(858-450)=76×3=869+134-118=903×(627-620)=349×9-869=14×(292-286)=215+295+220=234+205-89=245×(25-22)=180-18×3=227×2+461=973-261×2=858-41×4=630-109×3=834+913+81=115+592+131=979-(501+13)=530×8-437=45+433+297=171+447=521+637-15=245-138+104=264+355+327=363×9=593×7-367=588-45×4=475×(495-488)=784-(650+13)=365-82+144=651-(629-134)=342+117=423-(216-18)=569-244+209=163+(801-54)=96×(408-399)=639-307-216=461-(223+140)=517-475=449×2-867=516×7-857=257×3=1/6+4/6=933×4=312-34=431+23-265=165×6+95=840-703=475-(216+111)=462+(79-54)=865-34×6=399-32×4=413-125=824-64×7=156-44=714-116-372=65×(132-127)=471-(250-153)=629+559+855=89×8-435=470×(130-124)=487-45×9=417-213-171=799-(193-58)=248-42×2=935+342+837=350-(190+147)=630-180-112=81×(91-85)=110-(88-20)=338×2-633=397-329=746-334×2=424×8=73+(919-66)=445+22+455=396-153=44+262=4/7+2/7=276-178=390-251=409-173×2=437-(108+129)=192+144-192=204+(692-352)=5/9-1/9=494+(333-270)=276×3-140=452-(161+155)=393-10-224=23+295×2=898-(928-490)=258+76+305=431-(411-171)=118×8-44=481×(240-231)=131+(479-391)=356-13×4=4/8+3/8=569-49×3=925-(668-376)=843×(768-762)=400+(274-162)=86×(276-269)=311-20×6=968-(619-542)=486-224=412+(367-312)=759-(893-217)=135×2=125+217=221-(360-172)=159×(340-334)=320+78+331=388-175×2=1/4+2/4=465+153=967-233=292-(394-193)=65+68=521+44×2=89+(358-216)=21×7+483=601-13+491=246-18+247=758-96=516+(859-331)=411+293×2=71×(493-490)=201×(15-11)=614-(80+378)=859-292-120=48×9=13×9-57=487-79-53=627×9=676-(660-651)=299×3-401=198-148+427=78+100=1/5+3/5=381-(318-113)=481-97=97+79-99=894×6-402=806-795+340=392+188+369=160+171-110=349-17×8=831×8-322=277+593-76=382+105=247+207=140×(122-115)=425-353+151=272+747=816×(336-327)=231-29+148=595+496=351+956-157=589+(204-137)=516×3-630=447×2-586=57+46=103+396=285+118=562-(957-405)=902-15×8=21×8-144=346+92-70=173-105+135=279-(74+104)=57×2+409=27×(156-150)=662-513+593=372-(356-136)=486-214+180=217-15=52+30=447+(197-181)=241-(244-103)=456-(102+88)=6/10+4/10=642-(147+313)=430-62+60=219-158+300=190×(116-112)=375+98-303=686×7=166×7-693=165×6=225+(350-262)=260+(179-80)=866×9=187×5=567+132=238-35×4=172-(99+33)=403-(47+241)=379+(885-518)=196×(636-632)=282-63×4=292+74=455-289=899-(223+327)=106×(461-454)=110+377-65=128×6-528=130+140-137=360-334+338=331+447+121=710-155=476+843-14=366-35-264=472-38=353-(29+20)=963-(681+106)=783-(264+91)=3/6-2/6=81×8+451=401-(276+28)=630-374-214=208×9-80=341×5=131×7=447-(193-174)=764+95×7=304+16+325=427-(244+159)=834+837-255=167+24-18=152+173-115=565×5=354-332+45=606-341+49=71+27×4=434-30-276=412-(744-500)=857-119+921=319-288=720×(29-21)=2/5-1/5=88×9=335-83-58=611-168×2=329×(415-412)=329+448=638+402-549=456-(189+47)=65+582+353=109×2-189=366-127=5/7+2/7=726-301×2=166-(98-68)=266+79=464-(65-39)=160-74+32=591-76×5=1/8+6/8=507×2=501-347+959=36+110=315-(14+301)=424+(490-371)=67×(43-37)=883-692=421+402=99×4+309=23×(468-460)=377+101×2=929+(811-583)=298×2-16=297+314=643-232-371=498-(165+51)=820-209+992=290+220+92=50×3=410×2-762=306-24=411+283+168=256+90-120=229+70=494-(135+234)=343-34-178=227×8=955-467=484+282+167=992-395-447=358-299=261+(773-274)=998-421-496=414+324-205=689-(65+282)=166×2=259+143-172=258+190-84=890+508-630=130×4=208-56=172+63-26=6/10-3/10=151+118+660=539-117+504=405-341+326=651+(479-369)=218-55-23=170+343+334=179×(243-240)=404-288+986=80×(159-151)=396+379+122=305×3-511=432+263=818-10×7=342-307+56=463×5=46×7+335=468-(562-283)=173×4=89×8+208=298×3=282×2-227=815-160-283=432+469+534=89+463×2=452-(116+136)=82×6=469×4=594+604+316=180×2-155=109+100×8=727+40+545=74+197+550=408-117=683-175×3=489-(309-218)=431×2=122×7=277×3=269×2=67+394=359-(306-83)=302-56=148×2+130=74×8+350=300-204-89=853+408+312=680-(409+122)=164+76×6=171+276=160+389+62=607+178-732=437+30+143=480+181=37×(367-359)=237×7-797=61+438-193=256-236=939-252+69=428-191-190=292-(207+37)=4/8-1/8=135×6-31=357-83×2=96+298=192×6-44=96+299+550=36+88×8=422-150+77=887-28=782×5=496-(338-329)=809-(43+713)=214×3=347-311=220+98-291=215-36-142=599-(40+209)=388+(418-40)=160+321=482-20=391-52×4=861-20×8=138+(447-398)=175-(706-568)=130+305×2=25×(79-70)=629×4-43=605-(342-226)=47×6-42=897-41-231=41×4-95=727+411+122=228+127+254=167+(393-366)=420-(94+72)=332+165-229=209×9-476=472-236-109=353+33+634=495-16×4=622+39×2=146-14×6=94+(254-38)=109+312=834×(693-688)=171+207+530=169+639=293+38+286=540-268-200=228-61×2=404-26×3=194+164=894-89×2=153×(64-60)=48×4+224=937-27×6=5/9+4/9=50×6=376-65×4=266×3-150=603-(203+22)=393+297+45=92+265=110×3=991-(728-380)=209-95+258=447-262-154=637×(880-874)=48-13×2=391-298+155=276-205=86+(386-135)=159×6-748=61×2+334=146-76=448-228-42=197×(17-12)=85×7=453-24×9=665-198×3=564+980-65=486×2=875-30+255=628-(617-497)=488+(299-244)=487-397=669+(849-382)=296+(462-313)=74+36×4=417+423+47=677×(240-234)=56×(268-261)=452-71×2=775×7-929=497+37+296=981-916-10=392+156×2=826×9=444-(252-123)=802+(986-577)=481×4-562=124+(981-580)=581+769=688+(929-477)=820-125+847=216×(626-622)=111×6+571=101+413×2=7/10-3/10=430-94×3=563-(178-35)=56×5-55=353-13×6=165×(473-466)=897×(330-325)=714-(938-267)=204+278+264=366-83-264=862-834+374=51+105×2=376+(312-93)=914-435-209=64+567-264=119×6-342=50+85=778-222=141×(237-233)=521+621=940×3=956-612+30=330-(11+100)=391-(395-250)=814-20-246=367+328+333=973-117×6=118×(363-360)=435+(482-128)=286-144-97=463+(311-63)=389-329+388=302+(664-518)=162-(157-30)=46+(370-40)=91×5=3/8-1/8=1/3+2/3=13+(270-73)=720+55-758=183-71×2=97×4+259=510+(683-638)=764+345-177=186×(289-284)=654+908+405=67×4+43=969×(631-628)=859-256-591=367-133-56=842-17=873+371-648=355+(363-153)=54+385-199=987-533-240=595×2-440=968-(275+560)=130+13×5=232+(343-118)=357-16×7=543-(952-872)=3/8+4/8=250+205-169=467+479=参考答案800-312+54=542898-372+614=1140161-114=4739+560+390=989931-345-282=304317-311+481=487464+70×7=954943+466=1409661-(382+37)=242386-25-185=17632×8+809=1065101+(820-481)=440404+345=749915-445-40=430788+888+181=1857994-(272-236)=958163×5=815310+56×7=702264-226+471=509353-(47-26)=332350×2+592=1292157×3-171=300558+653=1211140+114=25495×7=665108+274-174=208183-48-129=6337+(455-419)=373182-89=93186+723+20=92958×3+259=433631-(173+114)=344168×8=1344177+(290-110)=3571/6+3/6=4/6485-(183-156)=45870+910+798=1778352-212-100=40322×3-950=16237-(336-223)=124258+230-312=176135×3-90=315448+(377-195)=630410-(59+279)=7233×2=6650+276-180=146678-460=218350-138-95=117871-126×3=49318×3=54650+200×4=1450404-279=125336×2=672949+49+802=1800244+81-46=279534+28+73=635938-65×4=678442×(852-845)=3094890-374+300=816310-217=93697-496-124=77482+232-549=165407+(448-139)=716167+135-201=101863-245×3=128572+254+146=972308-(52+130)=126877-(409+85)=383151+265-59=357430+(645-143)=932798+85×2=968400+96-101=395487-437=50249-193+293=349417-248=169565-(342-302)=525224×2+923=137185×(805-797)=680980-405×2=17092+967+350=140948+309+520=877706×5-246=3284372-118-209=45405-(346-265)=324112+259=371492-32×8=236470+189×5=14152/7-1/7=1/7396-(210-163)=349431-222+151=360186×5+291=1221771+163+38=97240×7-32=248307-31×5=152258+690=948445-35-122=288164+271=435693+108-299=502928-(10+741)=17716+(304-104)=216144+240=384335-90=245145×5-78=647144-(146-29)=27231×(375-366)=2079135+614=749154-37×2=80120×5-459=141198-105+160=253432-215+254=471655×2-545=76533×(490-485)=165800×4-574=2626828×4-283=3029640+846-475=1011411-37-90=284880-21×3=817983-(398-351)=936425-60+111=476426-102=324137×3+188=599177+53=230486-(138+200)=14810+306-311=540×(319-311)=320128×7=896807-555-52=200464-(69+392)=328+501+620=1149597-407=190484-465+160=179444-80-103=261212+43+386=641312×(495-492)=936848-697=151954+305-72=1187430+(480-267)=643428+820+349=1597820×(157-154)=2460287×(702-697)=1435207-(490-381)=98303-149=154486-(83+177)=226359-(96+109)=154586-61=52555×4+406=62689×(96-87)=801487-289-85=11349+315+167=531286+305×3=1201180-28=152321-(110+124)=87117×(114-111)=351478-(135+65)=278697×9=6273689+71+185=945162×2+279=603132×(342-335)=924474-83-377=14935-48-323=564601×(33-28)=30053/7-1/7=2/7405+(914-198)=1121842-(191+130)=521793-325-178=290321-109-109=10386+137=223895-(924-162)=133621-395+568=794417-226+122=313568×8=4544755-(818-775)=712159×4=636767-270=497344+150-409=85861-(727-234)=368845+290×2=1425443-(315-25)=153782-278+126=630870-(781-512)=60153+386+380=819567-485+293=375168×2+463=799247×4+265=1253930-(610+164)=156433-(114+221)=98242+95=33794×7-51=60712+(474-395)=9115×9+300=435468-35×5=293451-234=217260+703-159=804969+281=1250129+197=326382-(24+256)=102891-(470+84)=337667×3-668=13332/3-1/3=1/3736-160=57637+406-200=243865+58×9=138726×6+61=217861+648-228=1281928-107-788=33374-(297+67)=10262+73=335573×(403-396)=4011590+907=149728+341-194=175424-(166+66)=1926/9-1/9=5/9344-232-95=1765+150=215102-(104-100)=98251×(644-635)=2259497×2=994455×2-418=492141×5-364=341585+838-105=1318415-196×2=23154+157×3=625153-(203-187)=1373/5-1/5=2/5455+378+32=865820×(142-139)=2460780-206=574422-(479-246)=189140×9=1260131×2=262135+125=260491×2=982453-190-258=5493-28×2=437124×3-147=22599+38=137781-(362+174)=245495-(206-15)=304393-21×9=204411+963+361=1735621+420+829=1870291-(84+188)=19180+671-316=53596-(486-423)=33170×5=850353-33×3=254421-210+91=302133+111=244388+(449-62)=775742-284-414=44798-547+856=1107424-29×8=192697-317+422=802156+218=374875-666+798=1007116×6+51=747265-74=191285+(924-883)=326482-(33+17)=432321×3-949=14793+679+719=2191885-(486-41)=440560-29+120=651460+(194-47)=607675-399=276301×3=903314-295+766=785253-(368-357)=242223+67×7=692160+(440-255)=345810-671=139612-(813-780)=579590-244=34667×4=268316-223+201=29476+290×3=94643×2=86168+51=219942+466-477=931436-133=303165×(500-494)=990466+52+835=1353210+203-370=43406-(27+21)=35884×2+290=458347-98+135=384497-(126+253)=118426+(975-189)=1212186-(272-241)=155807-288=51965×6=390201×(364-361)=603147×5=735259-(152+104)=3565×(879-870)=5085862+(876-218)=1520116×7-252=560399-341+177=235466-(49+353)=64672-54-236=382210+(70-45)=235317+59×8=789903+452-374=981419×(300-294)=2514605×4-678=1742245-102×2=41193+193-353=33439+(210-37)=61256+(533-71)=518869-227-439=203630+148-213=565994×5=4970489-170-73=246908-253×3=149763+(811-558)=1016120+235×3=825558-(110+268)=180346×3-426=612195×5-298=67794×5+137=607357-252-18=87498-273=225122+250-172=200250+(171-42)=379674-30-602=42117×8-281=655965-114-837=14301-126+113=288453-443+425=435108+222=330522-(858-450)=11476×3=228869+134-118=885903×(627-620)=6321349×9-869=227214×(292-286)=84215+295+220=730234+205-89=350245×(25-22)=735180-18×3=126227×2+461=915973-261×2=451858-41×4=694630-109×3=303834+913+81=1828115+592+131=838979-(501+13)=465530×8-437=380345+433+297=775171+447=618521+637-15=1143245-138+104=211264+355+327=946363×9=3267593×7-367=3784588-45×4=408475×(495-488)=3325784-(650+13)=121365-82+144=427651-(629-134)=156342+117=459423-(216-18)=225569-244+209=534163+(801-54)=91096×(408-399)=864639-307-216=116461-(223+140)=98517-475=42449×2-867=31516×7-857=2755257×3=7711/6+4/6=5/6933×4=3732312-34=278431+23-265=189165×6+95=1085840-703=137475-(216+111)=148462+(79-54)=487865-34×6=661399-32×4=271413-125=288824-64×7=376156-44=112714-116-372=22665×(132-127)=325471-(250-153)=374629+559+855=204389×8-435=277470×(130-124)=2820487-45×9=82417-213-171=33799-(193-58)=664248-42×2=164935+342+837=2114350-(190+147)=13630-180-112=33881×(91-85)=486110-(88-20)=42338×2-633=43397-329=68746-334×2=78424×8=339273+(919-66)=926445+22+455=922396-153=24344+262=3064/7+2/7=6/7276-178=98390-251=139409-173×2=63437-(108+129)=200192+144-192=144204+(692-352)=5445/9-1/9=4/9494+(333-270)=557276×3-140=688452-(161+155)=136393-10-224=15923+295×2=613898-(928-490)=460258+76+305=639431-(411-171)=191118×8-44=900481×(240-231)=4329131+(479-391)=219356-13×4=3044/8+3/8=7/8569-49×3=422925-(668-376)=633843×(768-762)=5058400+(274-162)=51286×(276-269)=602311-20×6=191968-(619-542)=891486-224=262412+(367-312)=467759-(893-217)=83135×2=270125+217=342221-(360-172)=33159×(340-334)=954320+78+331=729388-175×2=381/4+2/4=3/4465+153=618967-233=734292-(394-193)=9165+68=133521+44×2=60989+(358-216)=23121×7+483=630601-13+491=1079246-18+247=475758-96=662516+(859-331)=1044411+293×2=99771×(493-490)=213201×(15-11)=804614-(80+378)=156859-292-120=44748×9=43213×9-57=60487-79-53=355627×9=5643676-(660-651)=667299×3-401=496198-148+427=47778+100=1781/5+3/5=4/5381-(318-113)=176481-97=38497+79-99=77894×6-402=4962806-795+340=351392+188+369=949160+171-110=221349-17×8=213831×8-322=6326277+593-76=794382+105=487247+207=454140×(122-115)=980425-353+151=223272+747=1019816×(336-327)=7344231-29+148=350595+496=1091351+956-157=1150589+(204-137)=656516×3-630=918447×2-586=30857+46=103103+396=499285+118=403562-(957-405)=10902-15×8=78221×8-144=24346+92-70=368173-105+135=203279-(74+104)=10157×2+409=52327×(156-150)=162662-513+593=742372-(356-136)=152486-214+180=452217-15=20252+30=82447+(197-181)=463241-(244-103)=100456-(102+88)=2666/10+4/10=1642-(147+313)=182430-62+60=428219-158+300=361190×(116-112)=760375+98-303=170686×7=4802166×7-693=469165×6=990225+(350-262)=313260+(179-80)=359866×9=7794187×5=935567+132=699238-35×4=98172-(99+33)=40403-(47+241)=115379+(885-518)=746196×(636-632)=784282-63×4=30292+74=366455-289=166899-(223+327)=349106×(461-454)=742110+377-65=422128×6-528=240130+140-137=133360-334+338=364331+447+121=899710-155=555476+843-14=1305366-35-264=67472-38=434353-(29+20)=304963-(681+106)=176783-(264+91)=4283/6-2/6=1/681×8+451=1099401-(276+28)=97630-374-214=42208×9-80=1792341×5=1705131×7=917447-(193-174)=428764+95×7=1429304+16+325=645427-(244+159)=24834+837-255=1416167+24-18=173152+173-115=210565×5=2825354-332+45=67606-341+49=31471+27×4=179434-30-276=128412-(744-500)=168857-119+921=1659319-288=31720×(29-21)=57602/5-1/5=1/588×9=792335-83-58=194611-168×2=275329×(415-412)=987329+448=777638+402-549=491456-(189+47)=22065+582+353=1000109×2-189=29366-127=2395/7+2/7=1726-301×2=124166-(98-68)=136266+79=345464-(65-39)=438160-74+32=118591-76×5=2111/8+6/8=7/8507×2=1014501-347+959=111336+110=146315-(14+301)=0424+(490-371)=54367×(43-37)=402883-692=191421+402=82399×4+309=70523×(468-460)=184377+101×2=579929+(811-583)=1157298×2-16=580297+314=611643-232-371=40498-(165+51)=282820-209+992=1603290+220+92=60250×3=150410×2-762=58306-24=282411+283+168=862256+90-120=226229+70=299494-(135+234)=125343-34-178=131227×8=1816955-467=488484+282+167=933992-395-447=150358-299=59261+(773-274)=760998-421-496=81414+324-205=533689-(65+282)=342166×2=332259+143-172=230258+190-84=364890+508-630=768130×4=520208-56=152172+63-26=2096/10-3/10=3/10151+118+660=929539-117+504=926405-341+326=390651+(479-369)=761218-55-23=140170+343+334=847179×(243-240)=537404-288+986=110280×(159-151)=640396+379+122=897305×3-511=404432+263=695818-10×7=748342-307+56=91463×5=231546×7+335=657468-(562-283)=189173×4=69289×8+208=920298×3=894282×2-227=337815-160-283=372432+469+534=143589+463×2=1015452-(116+136)=20082×6=492469×4=1876594+604+316=1514180×2-155=205109+100×8=909727+40+545=131274+197+550=821408-117=291683-175×3=158489-(309-218)=398431×2=862122×7=854277×3=831269×2=53867+394=461359-(306-83)=136302-56=246148×2+130=42674×8+350=942300-204-89=7853+408+312=1573680-(409+122)=149164+76×6=620171+276=447160+389+62=611607+178-732=53437+30+143=610480+181=66137×(367-359)=296237×7-797=86261+438-193=306256-236=20939-252+69=756428-191-190=47292-(207+37)=484/8-1/8=3/8135×6-31=779357-83×2=19196+298=394192×6-44=110896+299+550=94536+88×8=740422-150+77=349887-28=859782×5=3910496-(338-329)=487809-(43+713)=53214×3=642347-311=36220+98-291=27215-36-142=37599-(40+209)=350388+(418-40)=766160+321=481482-20=462391-52×4=