三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦744+(905-523)=568×9-828=228+619=971+612-909=327-122×2=4/8-3/8=788-329+485=205-(718-679)=51×6+465=276+165=142×3+574=99+86=372-(344-187)=365-286-20=842+850-951=435-(367+68)=493-172×2=837-411+364=354+18-191=821-(613-69)=91+179×5=615×5=439-214-178=143×5-459=625+(616-579)=947-66×6=290+63+457=216-16×4=118×7-658=659×2=347+(295-278)=35×(25-22)=26×3=919×2=613-174=977-790=683×4-843=136+242-144=906-153-333=242+23×3=203×4-183=176+207=308-(66+202)=28×8=469-146-219=846×3=195×(489-485)=405-13×5=423-398+213=868-414×2=342-62-86=735+975=315+103×6=169×2+233=398+74×5=145+250×4=439-17+667=338-(403-318)=111-23×3=328×2=159-54=406-(67+136)=551-45×5=947-64=263-(335-282)=639-100×6=203+172-208=963+(842-642)=92×6=637+967-114=860-(470-402)=424-29×8=35×2=849-138×3=79×(161-157)=484-(300-142)=87×9-92=80+21=604+110+124=905+537+285=463+19×2=439+603-67=932×4=516+(581-459)=318-(118+158)=651+13+159=975-110-712=996+77-991=156+247=91×9-561=183×(177-174)=359+99-89=955-(223+616)=946-81-172=808+274-204=269+48×4=111+48+853=70+167=917-(798-174)=290+178-242=208×4-729=553+311×2=827-(299+135)=87+393-435=337-(124+159)=346×(332-329)=914-343=913+219=199-(267-220)=50×8-224=319-238+243=19+371+158=457-139×3=477×2=500+330×3=858×4=12+904-845=486-436+278=351-132-13=484+(934-243)=821-235-574=382+(865-283)=855-(418+339)=154+460=191-132+545=50×(797-792)=696-96×4=416-(674-457)=285+(277-59)=694-(875-258)=381-(136+91)=758-(467+250)=987+286-969=619×8=183-50-43=129-21×2=366+334=113×(382-374)=325+517+145=25×4=320×2+988=467-281+53=381-(463-320)=257×(694-688)=486-(246-80)=14+86×9=225-163+60=128×(201-194)=104×3-22=355×2-195=104+31+701=194+139+115=235-(152-17)=39+168-200=655-342-184=46×4-72=835-393-249=117+558+274=874+961-24=680-29×5=356-96=100+247=964-559+283=634+442-280=146+155=930-555=159+151=580-136=231×4-171=860-502-172=110×(48-45)=329-(67+77)=955+319-352=407-(102-80)=92×6+162=64+187×5=14+540+264=314-(242+36)=786+19+101=79+(414-210)=905-282+433=289×5-830=355-22=113+233+13=872+356+526=274-189+183=957+741-585=374+288+227=293-142=709×7-15=257+153=195+357×2=424-23×9=772+40+932=25×(307-299)=493-102-116=95+329+359=698+(400-90)=1/6+5/6=66×(339-331)=430-51+619=99×6-430=411-71×2=117+50×5=283+478=448-143=341+141=21×8=308×(460-457)=3/6-2/6=283×(875-869)=610+610=114×(348-340)=78-(160-91)=466-60=2/6-1/6=747+439=478-(308+103)=77+141=408-(265-96)=920+770-247=686-277=472-129+339=685×(766-760)=285-207-34=459-(73+303)=232+265=46+235=29+728+227=208+14-45=413+(185-157)=473-359=505+197=126+293=48+145=49+98+263=438+454-810=391+322=641+(342-50)=391-(33+48)=422+709-294=64+443+110=293-68=248×2=938-169×3=195+76-226=940-21+242=978-149+483=257+666+355=12×(337-331)=673-355-77=431-(40+293)=283+140+65=702+(970-14)=680-98×5=480×6-343=3/5-2/5=693-(563-454)=318+26-116=568-(24+332)=162-124=636-336-164=288+142=658-573+421=57×6=90-26=127+441+24=379-(297+67)=749+321-402=560-367-182=35+348-167=27×(203-194)=341-175+330=387-229=1/7+6/7=502×8-359=33×4+90=543-(727-604)=997-(803-681)=125×(248-243)=309-95+29=935+473+773=500-45-338=420-(285-58)=111×(409-401)=612+744-53=285×2=361+38-213=505-172-153=472+(957-762)=373×7-77=200+(506-24)=30+55=965-(498+164)=964-500=796-650+270=89+376=35+339×2=588×5=213×6-658=553×8-760=161+645=216×4=669-56-82=231×(373-368)=484+(487-84)=187+231=970-121×7=178+(398-293)=65×9-547=452-(270-23)=719-436=665-280+123=635+16×8=231-162-35=363-(225-181)=41+17=316-(59+230)=152×6+744=799-689+668=301×3=745-53×6=331×2=597+197+170=305-85=814+(936-624)=397×4=355+(270-222)=259×2-212=997-(407+532)=56×(51-44)=464-(307+120)=261-68×2=786-(518-312)=657×(978-974)=456-(73+309)=457-(221-171)=900-54×4=486-70-195=1/4+3/4=736+465+347=555+231=127×(459-453)=111+361=155-27=348-51=16+(428-417)=997-705-282=64+254+780=4/8-1/8=845-45-453=732-281=914-(298+517)=950-682+386=592+21×6=242-125=510+247+239=440-329-78=76+310-284=59+166-150=771+114+543=320+594=10×3+808=548-74×5=725-(698-658)=74+(777-711)=432-110-70=443-28×5=234-232+172=114+29-70=124+259=22+812+42=213+(188-81)=881-(133+112)=80×5+195=280-(147+28)=365×8-409=120+314-67=623×7-80=70+266+306=94×9=918-(37+346)=230+170+111=190-87+199=466×(670-663)=3/7-1/7=391-(137+94)=423+193=982-292×2=487-398=326+86×5=981-(840-222)=971+725=509-(823-430)=163+(377-30)=349-(312-129)=312-51-31=807+172×2=35+313-175=468-292=849-(222+177)=3/8-2/8=777-(294+450)=474-(293-273)=489+(125-115)=374+538-664=197+(432-350)=399-117×3=193×5-179=601+(903-226)=144+241+388=105×3=904×(638-632)=553+330+987=2/3-1/3=802+301+507=962-(631-55)=307+460=517-84×4=56-(217-171)=711×9-560=637+96+210=297-285=865-(712-546)=468×8=412-315+188=110+161-79=465-110=922×(418-409)=175×(372-368)=119+102+768=396-(318-282)=487-296+140=431-42×2=777×(908-901)=400-140-109=634-355=264-54×3=430×2-448=465-440=938+(779-766)=463×(970-961)=174+162=671×9-945=484-289=497-(421-269)=348×4=158×8-591=243+(68-13)=238+(334-132)=24×4=620-(351+194)=72×7=15+(387-369)=268+858-951=3/4-1/4=394-302+302=837×3-101=385-220=4/7+2/7=750×7-108=444-123+143=194×(215-207)=827+801-27=96×7+98=418+816-599=254-160+271=378-212+62=433×(92-89)=754-42×3=964-198×4=213×(26-23)=307-95-44=107+(270-79)=203+161=144+(668-440)=238×4=395-224-28=225+823-19=484-46=99×(174-171)=102+99-149=865-650+286=655-(327-264)=811-182=504-122×2=61×7+162=890-(41+505)=796-322=116×3+46=3/6+2/6=69×9-472=457+(439-132)=193+(822-225)=829+892=226×4=74×2=145+(439-137)=775-(13+54)=335-67×4=7/10+2/10=297×2=185-147+441=353-(489-140)=341-(231-219)=256×(690-682)=191+248×3=395-40×2=788×(211-208)=380-(877-712)=453-170×2=80+257-84=841+470-416=521-29-320=248×2+439=467-(151+91)=490-299=4/10-3/10=713×(682-674)=53+237+436=205×2+749=218+(713-30)=107+(72-26)=2/4-1/4=162+76+379=301+(204-165)=445×2-565=816-431=674-152-104=731-165×4=189×5=754-562-141=275×5-410=766+418-246=346-(147+11)=287-(87+54)=410-22×9=4/8+3/8=401×(896-890)=881+(658-429)=716-399-196=363+125=812×7=277-96-170=426+44-206=84+79+757=43+215=936-640-291=325+63+216=554-52×8=704+888=184×5-865=931-160×3=77+182=886-(141-132)=255×5=409-41-74=464+31×4=363-60×4=132×(490-487)=173×2-110=462-45×9=245×8=350+247+279=976×6=441-(282+44)=945×(672-669)=93-21×3=820+502-335=810×5-421=5/7+2/7=211+221=641-198+298=422×9-98=668+572=353+264=381+780+137=253+381+411=885-(890-541)=573+945-323=997-(134+679)=265+86-179=466+(820-38)=447+38+54=404-115+92=267-31×2=481-(205+253)=404-283-28=414+37+951=316+148=288-(336-114)=487-239=488-15×3=470-50×9=797+(939-519)=823-788=993-792=773-(646-46)=258+(241-160)=370-63=440-75=2/8+3/8=260-148-110=495-(21+123)=204-13+166=456-357-40=383×8-22=377+176+372=902-87×9=465-(381+72)=726-(646-621)=469+(383-270)=366+181+516=174+204×2=53×4+408=808-56×8=639+(567-475)=875-406=230-58×3=392-79-138=389-261+55=100×(18-14)=856-(131+663)=86×(443-438)=33×9-244=499+(473-403)=471×(306-301)=499-170-243=248-22=320-144×2=250-18×6=237-189=85×(57-54)=323×3-10=381-151+219=21+190-59=212×3+84=851-582=108+67×7=27×(348-341)=383×(618-613)=371-122+199=121+68-48=120×5+411=335-319=113+(248-158)=297×(603-595)=472-86-298=720-90-493=277-22+155=164+234=399-58-198=686×8=132×4+84=389+(164-125)=452×2=35+162+527=3/5-1/5=574×(270-263)=339-14=700-103-593=653×(338-334)=870-19-663=204+242=920-317-355=227×2+666=326-21-184=420-39+760=262-128+38=120×(162-158)=30×9-36=400×7-245=938+262×3=328-26+194=158-71×2=903×2-952=431-353=815-499-296=424-(439-226)=247-79+142=55×7=569×(190-181)=56+299×3=966+(563-535)=557+(833-145)=107×5-289=675+56×3=546+(537-442)=421-398-19=769×4-737=425-(44+347)=763+319+852=556+117×4=404×2+203=641-320+873=30×(165-162)=277×3-821=821-(57+85)=581-445=987-348=589-424+95=316×2-129=476-331-100=2/6+3/6=10×4=90×(21-12)=881-217+236=4/8+2/8=65×4+305=37×5-124=591-(655-387)=350-348+303=49-(434-408)=917-(441+90)=374+259+191=467-(180+136)=351-23×6=392+68×7=421+(427-371)=480-(106+264)=685×(105-97)=402+(356-33)=821-(107+308)=611-489-60=537+917+832=488-(171+41)=410×2+598=238-(284-188)=388-271+338=561-306=292+144-240=404×4-499=770+894-215=904×7=127×7-362=448-277+114=730×8=76+356-351=402-78-179=84-(125-89)=322-(823-657)=31×5+32=289+(484-437)=390-215-86=122-37+403=177+128=908-(391-130)=50×7-291=225-23+227=456-(262-83)=438-(33+117)=443-192+105=981-(89+277)=123×2=238+661-277=156+253+609=189×(365-359)=835-276+613=746-(253+57)=167×2=71×7+115=28×(128-121)=891+219=452×2-762=469-221×2=852-(84+45)=233+257×2=510-147=114+164-189=620×3=76×3=933+382-763=784-229+680=75×8-338=331-(13+140)=304×6-177=430×4=613-105=418+748+523=230-10×4=324+891=270-(299-234)=825-(315+72)=844+281+765=453×9=990×6=387×2=552×7=389-155-203=974-586+729=164-(156-48)=160×6-651=898-399-186=332-23×4=179+256+762=447-180+320=271+216=33×2+321=512-(482-117)=149-(319-207)=813-675=337+344-204=954×(670-662)=675×7-607=169×(717-713)=758-180-208=90×2=161×4+250=189+98+559=125×3+559=156-103-17=169×3-50=917-(823-249)=4/10+2/10=812-(539-98)=171×8=491-(15+217)=121×(432-427)=178-139+117=100×6=305-264=395+569=132×2+774=441+(293-138)=295+(462-77)=969-43=59×9+234=360+82=98×8=476-(84+113)=897-195×3=764+974+789=91×4=132×5+343=425-56×7=925×4=305-99×2=261×(547-542)=941-78×4=380-185+274=365+530=822+122×2=496-(293+195)=350-(449-175)=667-164+11=138+(410-113)=246+72+188=655+943+724=360+113-92=310×5-973=426×2=317+(265-182)=390-320=751+(512-329)=200+126=182-57=154+278×3=160+(253-228)=292-(190-161)=41+284-73=587-(11+69)=200+101-62=937-(502+169)=418+(748-571)=參考答案744+(905-523)=1126568×9-828=4284228+619=847971+612-909=674327-122×2=834/8-3/8=1/8788-329+485=944205-(718-679)=16651×6+465=771276+165=441142×3+574=100099+86=185372-(344-187)=215365-286-20=59842+850-951=741435-(367+68)=0493-172×2=149837-411+364=790354+18-191=181821-(613-69)=27791+179×5=986615×5=3075439-214-178=47143×5-459=256625+(616-579)=662947-66×6=551290+63+457=810216-16×4=152118×7-658=168659×2=1318347+(295-278)=36435×(25-22)=10526×3=78919×2=1838613-174=439977-790=187683×4-843=1889136+242-144=234906-153-333=420242+23×3=311203×4-183=629176+207=383308-(66+202)=4028×8=224469-146-219=104846×3=2538195×(489-485)=780405-13×5=340423-398+213=238868-414×2=40342-62-86=194735+975=1710315+103×6=933169×2+233=571398+74×5=768145+250×4=1145439-17+667=1089338-(403-318)=253111-23×3=42328×2=656159-54=105406-(67+136)=203551-45×5=326947-64=883263-(335-282)=210639-100×6=39203+172-208=167963+(842-642)=116392×6=552637+967-114=1490860-(470-402)=792424-29×8=19235×2=70849-138×3=43579×(161-157)=316484-(300-142)=32687×9-92=69180+21=101604+110+124=838905+537+285=1727463+19×2=501439+603-67=975932×4=3728516+(581-459)=638318-(118+158)=42651+13+159=823975-110-712=153996+77-991=82156+247=40391×9-561=258183×(177-174)=549359+99-89=369955-(223+616)=116946-81-172=693808+274-204=878269+48×4=461111+48+853=101270+167=237917-(798-174)=293290+178-242=226208×4-729=103553+311×2=1175827-(299+135)=39387+393-435=45337-(124+159)=54346×(332-329)=1038914-343=571913+219=1132199-(267-220)=15250×8-224=176319-238+243=32419+371+158=548457-139×3=40477×2=954500+330×3=1490858×4=343212+904-845=71486-436+278=328351-132-13=206484+(934-243)=1175821-235-574=12382+(865-283)=964855-(418+339)=98154+460=614191-132+545=60450×(797-792)=250696-96×4=312416-(674-457)=199285+(277-59)=503694-(875-258)=77381-(136+91)=154758-(467+250)=41987+286-969=304619×8=4952183-50-43=90129-21×2=87366+334=700113×(382-374)=904325+517+145=98725×4=100320×2+988=1628467-281+53=239381-(463-320)=238257×(694-688)=1542486-(246-80)=32014+86×9=788225-163+60=122128×(201-194)=896104×3-22=290355×2-195=515104+31+701=836194+139+115=448235-(152-17)=10039+168-200=7655-342-184=12946×4-72=112835-393-249=193117+558+274=949874+961-24=1811680-29×5=535356-96=260100+247=347964-559+283=688634+442-280=796146+155=301930-555=375159+151=310580-136=444231×4-171=753860-502-172=186110×(48-45)=330329-(67+77)=185955+319-352=922407-(102-80)=38592×6+162=71464+187×5=99914+540+264=818314-(242+36)=36786+19+101=90679+(414-210)=283905-282+433=1056289×5-830=615355-22=333113+233+13=359872+356+526=1754274-189+183=268957+741-585=1113374+288+227=889293-142=151709×7-15=4948257+153=410195+357×2=909424-23×9=217772+40+932=174425×(307-299)=200493-102-116=27595+329+359=783698+(400-90)=10081/6+5/6=166×(339-331)=528430-51+619=99899×6-430=164411-71×2=269117+50×5=367283+478=761448-143=305341+141=48221×8=168308×(460-457)=9243/6-2/6=1/6283×(875-869)=1698610+610=1220114×(348-340)=91278-(160-91)=9466-60=4062/6-1/6=1/6747+439=1186478-(308+103)=6777+141=218408-(265-96)=239920+770-247=1443686-277=409472-129+339=682685×(766-760)=4110285-207-34=44459-(73+303)=83232+265=49746+235=28129+728+227=984208+14-45=177413+(185-157)=441473-359=114505+197=702126+293=41948+145=19349+98+263=410438+454-810=82391+322=713641+(342-50)=933391-(33+48)=310422+709-294=83764+443+110=617293-68=225248×2=496938-169×3=431195+76-226=45940-21+242=1161978-149+483=1312257+666+355=127812×(337-331)=72673-355-77=241431-(40+293)=98283+140+65=488702+(970-14)=1658680-98×5=190480×6-343=25373/5-2/5=1/5693-(563-454)=584318+26-116=228568-(24+332)=212162-124=38636-336-164=136288+142=430658-573+421=50657×6=34290-26=64127+441+24=592379-(297+67)=15749+321-402=668560-367-182=1135+348-167=21627×(203-194)=243341-175+330=496387-229=1581/7+6/7=1502×8-359=365733×4+90=222543-(727-604)=420997-(803-681)=875125×(248-243)=625309-95+29=243935+473+773=2181500-45-338=117420-(285-58)=193111×(409-401)=888612+744-53=1303285×2=570361+38-213=186505-172-153=180472+(957-762)=667373×7-77=2534200+(506-24)=68230+55=85965-(498+164)=303964-500=464796-650+270=41689+376=46535+339×2=713588×5=2940213×6-658=620553×8-760=3664161+645=806216×4=864669-56-82=531231×(373-368)=1155484+(487-84)=887187+231=418970-121×7=123178+(398-293)=28365×9-547=38452-(270-23)=205719-436=283665-280+123=508635+16×8=763231-162-35=34363-(225-181)=31941+17=58316-(59+230)=27152×6+744=1656799-689+668=778301×3=903745-53×6=427331×2=662597+197+170=964305-85=220814+(936-624)=1126397×4=1588355+(270-222)=403259×2-212=306997-(407+532)=5856×(51-44)=392464-(307+120)=37261-68×2=125786-(518-312)=580657×(978-974)=2628456-(73+309)=74457-(221-171)=407900-54×4=684486-70-195=2211/4+3/4=1736+465+347=1548555+231=786127×(459-453)=762111+361=472155-27=128348-51=29716+(428-417)=27997-705-282=1064+254+780=10984/8-1/8=3/8845-45-453=347732-281=451914-(298+517)=99950-682+386=654592+21×6=718242-125=117510+247+239=996440-329-78=3376+310-284=10259+166-150=75771+114+543=1428320+594=91410×3+808=838548-74×5=178725-(698-658)=68574+(777-711)=140432-110-70=252443-28×5=303234-232+172=174114+29-70=73124+259=38322+812+42=876213+(188-81)=320881-(133+112)=63680×5+195=595280-(147+28)=105365×8-409=2511120+314-67=367623×7-80=428170+266+306=64294×9=846918-(37+346)=535230+170+111=511190-87+199=302466×(670-663)=32623/7-1/7=2/7391-(137+94)=160423+193=616982-292×2=398487-398=89326+86×5=756981-(840-222)=363971+725=1696509-(823-430)=116163+(377-30)=510349-(312-129)=166312-51-31=230807+172×2=115135+313-175=173468-292=176849-(222+177)=4503/8-2/8=1/8777-(294+450)=33474-(293-273)=454489+(125-115)=499374+538-664=248197+(432-350)=279399-117×3=48193×5-179=786601+(903-226)=1278144+241+388=773105×3=315904×(638-632)=5424553+330+987=18702/3-1/3=1/3802+301+507=1610962-(631-55)=386307+460=767517-84×4=18156-(217-171)=10711×9-560=5839637+96+210=943297-285=12865-(712-546)=699468×8=3744412-315+188=285110+161-79=192465-110=355922×(418-409)=8298175×(372-368)=700119+102+768=989396-(318-282)=360487-296+140=331431-42×2=347777×(908-901)=5439400-140-109=151634-355=279264-54×3=102430×2-448=412465-440=25938+(779-766)=951463×(970-961)=4167174+162=336671×9-945=5094484-289=195497-(421-269)=345348×4=1392158×8-591=673243+(68-13)=298238+(334-132)=44024×4=96620-(351+194)=7572×7=50415+(387-369)=33268+858-951=1753/4-1/4=2/4394-302+302=394837×3-101=2410385-220=1654/7+2/7=6/7750×7-108=5142444-123+143=464194×(215-207)=1552827+801-27=160196×7+98=770418+816-599=635254-160+271=365378-212+62=228433×(92-89)=1299754-42×3=628964-198×4=172213×(26-23)=639307-95-44=168107+(270-79)=298203+161=364144+(668-440)=372238×4=952395-224-28=143225+823-19=1029484-46=43899×(174-171)=297102+99-149=52865-650+286=501655-(327-264)=592811-182=629504-122×2=26061×7+162=589890-(41+505)=344796-322=474116×3+46=3943/6+2/6=5/669×9-472=149457+(439-132)=764193+(822-225)=790829+892=1721226×4=90474×2=148145+(439-137)=447775-(13+54)=708335-67×4=677/10+2/10=9/10297×2=594185-147+441=479353-(489-140)=4341-(231-219)=329256×(690-682)=2048191+248×3=935395-40×2=315788×(211-208)=2364380-(877-712)=215453-170×2=11380+257-84=253841+470-416=895521-29-320=172248×2+439=935467-(151+91)=225490-299=1914/10-3/10=1/10713×(682-674)=570453+237+436=726205×2+749=1159218+(713-30)=901107+(72-26)=1532/4-1/4=1/4162+76+379=617301+(204-165)=340445×2-565=325816-431=385674-152-104=418731-165×4=71189×5=945754-562-141=51275×5-410=965766+418-246=938346-(147+11)=188287-(87+54)=146410-22×9=2124/8+3/8=7/8401×(896-890)=2406881+(658-429)=1110716-399-196=121363+125=488812×7=5684277-96-170=11426+44-206=26484+79+757=92043+215=258936-640-291=5325+63+216=604554-52×8=138704+888=1592184×5-865=55931-160×3=45177+182=259886-(141-132)=877255×5=1275409-41-74=294464+31×4=588363-60×4=123132×(490-487)=396173×2-110=236462-45×9=57245×8=1960350+247+279=876976×6=5856441-(282+44)=115945×(672-669)=283593-21×3=30820+502-335=987810×5-421=36295/7+2/7=1211+221=432641-198+298=741422×9-98=3700668+572=1240353+264=617381+780+137=1298253+381+411=1045885-(890-541)=536573+945-323=1195997-(134+679)=184265+86-179=172466+(820-38)=1248447+38+54=539404-115+92=381267-31×2=205481-(205+253)=23404-283-28=93414+37+951=1402316+148=464288-(336-114)=66487-239=248488-15×3=443470-50×9=20797+(939-519)=1217823-788=35993-792=201773-(646-46)=173258+(241-160)=339370-63=307440-75=3652/8+3/8=5/8260-148-110=2495-(21+123)=351204-13+166=357456-357-40=59383×8-22=3042377+176+372=925902-87×9=119465-(381+72)=12726-(646-621)=701469+(383-270)=582366+181+516=1063174+204×2=58253×4+408=620808-56×8=360639+(567-475)=731875-406=469230-58×3=56392-79-138=175389-261+55=183100×(18-14)=400856-(131+663)=6286×(443-438)=43033×9-244=53499+(473-403)=569471×(306-301)=2355499-170-243=86248-22=226320-144×2=32250-18×6=142237-189=4885×(57-54)=255323×3-10=959381-151+219=44921+190-59=152212×3+84=720851-582=269108+67×7=57727×(348-341)=189383×(618-613)=1915371-122+199=448121+68-48=141120×5+411=1011335-319=16113+(248-158)=203297×(603-595)=2376472-86-298=88720-90-493=137277-22+155=410164+234=398399-58-198=143686×8=5488132×4+84=612389+(164-125)=428452×2=90435+162+527=7243/5-1/5=2/5574×(270-263)=4018339-14=325700-103-593=4653×(338-334)=2612870-19-663=188204+242=446920-317-355=248227×2+666=1120326-21-184=121420-39+760=1141262-128+38=172120×(162-158)=48030×9-36=234400×7-245=2555938+262×3=1724328-26+194=496158-71×2=16903×2-952=854431-353=78815-499-296=20424-(439-226)=211247-79+142=31055×7=385569×(190-181)=512156+299×3=953966+(563-535)=994557+(833-145)=1245107×5-289=246675+56×3=843546+(537-442)=641421-398-19=4769×4-737=2339425-(44+347)=34763+319+852=1934556+117×4=1024404×2+203=1011641-320+873=119430×(165-162)=90277×3-821=10821-(57+85)=679581-445=136987-348=639589-424+95=260316×2-129=503476-331-100=452/6+3/6=5/610×4=4090×(21-12)=810881-217+236=9004/8+2/8=6/865×4+305=56537×5-124=61591-(655-387)=323350-348+303=305