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

三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦19×(140-133)=2/10+4/10=603-435=313-(278-204)=93-12+123=466+12+380=252-156+76=886-256-566=465+652=193×(303-298)=10×3=86×5+344=290+(120-44)=431-153-213=874×7-73=196+350=31+420-63=271-25-26=58+165×3=725-112×2=35×(353-346)=323×7=368-81-64=253×(233-230)=899×(900-892)=434×9=317×3-41=406+90=291×3-311=409-46×2=154+142×4=105×(62-55)=267+(934-594)=747-160+132=460-174-170=975-(196+600)=42+366+288=185+(712-689)=66×(732-727)=121+(294-40)=908-390-34=490-(330-76)=1/8+2/8=788×9-554=468-(89+378)=749-(973-720)=803+73-30=497×(132-125)=46+121=189×5=27×7+495=575+(939-187)=186×(134-130)=70+283=105×3-48=35×7+882=424-(77+233)=88+362=117-22×5=560-(946-807)=406-(98+67)=104×8-497=241-117+312=137-97=253-(269-176)=206+(18-16)=771+212×2=930+190+691=495-(417+20)=852-639+69=62+92+691=384-(190+62)=838-(301+70)=147×(399-395)=402+212×2=708-199-394=395+502+909=702+991-978=550-267×2=477-405+91=160+604=843-(158+85)=315-32=13×6+910=186-98=329-(112-21)=421-(108+263)=393-(108+220)=391-242-108=908+575=71+811+879=103×5-43=318-144-162=228-90-107=575-50=823-262-171=509-192+237=350-(316-66)=173×3-171=2/8+5/8=810-(317+469)=462-249=250-(283-80)=658-(538-431)=382+167=447-(33+259)=435-48×4=57-55+124=498-195-228=450-(274-49)=285-(412-314)=462-168×2=494+(914-279)=889+23-434=976-832=424×(917-914)=858-157+547=98-(141-43)=261+215×2=430-(308-141)=3/5-1/5=184×3=150+547+169=116×6=984×(424-417)=1/5+2/5=359+19×3=495-343-36=300-(117+38)=262×9=50+298-111=658-(183+130)=67+427×2=995-576-143=245+68-275=800+76+751=819-(632+35)=40×(459-454)=606+(932-593)=707×(741-737)=179×5=314+815=867×4-878=106×4+180=260+(323-238)=879+(913-518)=362-76×3=119×(57-49)=344-67×5=194+585+129=199-(255-179)=277-94×2=309-18×7=483-34×4=369+869+921=43×6+370=665-233+795=762-(301+221)=116×5-68=288-110=111×3-239=73×2-129=185+312-116=225-100×2=529+969+511=898-13=111+97-202=168×2+800=293+(512-22)=116-44=2/6-1/6=4/6+2/6=92-(18+63)=112+50=91×(339-330)=885+(607-49)=125×8-637=355+125=13×(262-255)=905-13=380-(40+206)=434-253-141=674-33×3=211+496-479=543-(986-676)=808+120-832=939-99×9=177×2+148=380+(328-20)=84×(508-505)=267-(112+52)=111×5+365=78-38+115=742-114+685=586+381×2=87+60×9=287-103-64=150×2=269×2=848+103+941=214-(419-355)=548-(945-431)=74+45=4/7-2/7=827+(902-332)=35×9=242×(965-960)=443-113-152=528×6-936=265×3-555=660-593=374+251=549×9-155=733-56×4=401-(162-129)=23×6+81=357×2+631=227×4=264-54-159=249-126=328-(169-138)=874-(125+713)=205+213+263=351×(561-552)=201×4+196=662×3=180+38=68+172=791-(869-253)=474-167-298=117+85=453+45×3=980-310-623=354-201=521×6=998-270-369=634×5=763-682+642=139+160=341-149-17=241-217=890-734=506-60×2=47×6+844=261×3-326=722-(879-793)=276×5-95=374×(61-53)=476-(16+291)=488-417-53=310×3-840=361-221=303-(446-146)=161×5-221=512-193-130=385-(987-655)=657-(260+119)=984+482-40=10×(275-269)=721-463=498+28×2=85+267-127=405-(155+154)=888-648+81=2/9-1/9=870-(232+237)=500-30=328+283+25=110+361+178=430-373+108=605×6=946+881+715=244+39-126=23+246+75=577+312=266+(487-113)=4/5-1/5=683×2-166=74+28=51+181+622=391+24-166=667-(268+344)=850-694=53+440-440=866×(44-38)=24+323-156=105×3=366+(230-29)=334-276+67=992×(523-515)=366×5-477=470+10+218=934+577-573=156+471×2=85+255-143=75+38-83=651-469=165+40=440-64×2=480-34×8=10×6=328×2+224=324-146+263=566+10×4=416+638-58=246×7-586=188+270-412=486-428+20=86×9-51=82×6-206=237×(45-41)=230+(941-13)=903+(529-528)=249-21×2=867+(804-286)=723-47×3=470+(439-78)=719-(164+432)=131+(266-62)=615-(126+400)=88+90=9/10-1/10=155+264×2=3/6-2/6=95×(269-260)=507×9-719=106×(82-78)=355-316=796-147×3=951-23-742=280×2-553=825+283×2=209+157=486+868=120×4=641+129=234-35+43=107+218-229=307×2-66=590-(352+198)=624-(14+285)=486-(318-244)=291+39-99=919-(699-110)=300×2+919=528-369-40=4/7-1/7=450×2=650+79+248=439-28×3=201+213-269=68+326+567=306×2-483=539-24+488=713+985+52=366+349-434=234+114=151+77×4=358-(55+151)=270-(112+46)=684×5-893=900-47=212+221=796-(61+590)=387-97=105+321=141-76+431=142+287+328=18×(28-19)=189+134=522-116-144=41×(153-148)=231×4+73=285+200-299=916-48=943-130×3=374-191+47=87+304+529=432×6-162=115-34+293=723+(956-843)=418-33-143=725+(550-130)=44-32=500-495+380=29+(634-540)=867+126×6=363+520+82=219×(356-352)=917+479+366=278+(608-80)=94×7+33=36×5=161×2=521×9-404=155+143×5=116+(492-240)=233+115=142×6-669=658+(907-174)=871+(527-275)=999-165×4=502+905-300=944-84×6=929-171×4=440-29×5=815-115-399=621-504+948=474-(298+32)=406+859=193+(285-20)=554-236-188=245+280+71=589+986-79=19×(409-405)=254×3-310=788+249+901=811×2-211=114+92×6=341-300+277=796×(784-776)=416-(287-179)=469-403+39=354-36-291=198×3+179=419-(442-215)=63×2=285+292+312=167×5-103=367+100+142=409-73=232×(296-290)=335-(375-319)=477-370+222=373-368+71=677-445+450=848×(932-929)=477-(89+274)=445-(429-168)=474-29=72×2=19×6-70=496-(307-54)=330-302+282=497+597+714=501+123+546=131×7-34=493-298-57=156+(320-258)=480+(447-65)=270×3=643-289=36×7-223=353-266=186+34=73+263=98×6=410-37-298=240×2-230=107+525+890=321+75-192=684-(343-176)=574+659=253-199+57=357-(13+320)=739+954=2/5-1/5=854-33×9=89+344-226=113×2+91=359+(471-294)=317+86-337=384+353+565=84×5=575×4=739-(106+535)=55×(961-955)=726×5-129=70+380=998-483-210=327-(447-380)=5/8+2/8=491-60×5=457+51×6=425+729-748=119-28×3=220+272-422=486-116×3=145-38×2=381+62-148=1/4+2/4=790-241=784-(425+96)=248-(762-622)=86+519+284=199-84×2=140×5=942-(18+836)=98+122=632+399+733=264×2=821-(682-622)=230+92=85-(312-264)=81+(385-78)=408×8-986=425+22-113=221×2-294=701-(940-749)=258×3+750=140-21+344=187×5+31=98×(411-402)=278×4-827=612+328-640=412×2=94-34=992-91-368=960-529+758=302-59-195=486-(516-315)=993-109-810=187×4-586=368-29×6=934-205×4=3/6-1/6=843+90+520=940-766+408=310+(392-262)=470×(567-563)=426-351-53=817+(325-120)=399-(139-63)=25+85×7=488-99×4=435-97×3=672-179=460+(434-134)=281-(26+56)=69+591+245=264-190+202=360×2=267+34+276=67×(20-15)=754-722+583=376-(283+27)=789+53×6=244-(125-103)=137×5=903-59+318=47×7=288+151=467-(346-192)=286-14=242-71-32=737-279=385-50×4=215-76=132×(430-425)=176-22×2=771+855-266=467+249-226=305+700+94=990-775-197=195-19×4=5/6-1/6=2/7+4/7=588-(693-492)=607×(267-258)=417-24×6=623-426=32+(261-94)=55+126=345×4=66-(204-151)=700-215-272=14+32=132×5=275+37×9=891-200×3=813×(979-972)=630-(532-498)=16×5+292=214+158+428=304-31=741×6=324×9-513=180-44=415-80×3=356-305-20=689-(162-120)=455+(101-65)=375+(80-34)=672-(141+12)=62×4=581+375-783=956×6=475-104×3=384×8=92×(472-469)=436×3-366=816-658+810=514-74=370+101=23+(384-185)=107+(227-145)=66+77=477-91×3=436-233-170=382-183×2=230-32×5=377-179-50=96+247×4=794-691+549=251-61-69=36+145=399-(230+57)=183×2=98×5+34=274+(448-237)=296+(364-199)=458-(233+24)=887-(80+445)=229×2=484-304=721-387+217=719+254-281=236-55×4=514-56×7=379+(369-340)=499-92×4=642+187=949+412-456=720×(118-109)=142+486+337=437-(70+80)=497-25-153=956+827-310=876-780+300=905+332+501=222-13=35×(304-296)=201-191+23=500+101×3=254×(188-185)=101+340-204=353-279+424=250+143-392=138×7+499=105×8=851-718-125=562+30×5=394×(334-330)=583-(546-55)=341×(648-642)=842-437-165=5/9-1/9=938-(946-917)=963+314×2=894-588=313×2-49=219+870-512=217+22-116=196-91=112×(215-209)=573×(625-618)=132×4=117×(375-368)=599-80×4=15+141-115=922-428=435-215×2=86-(155-92)=885-28×2=564-93=968-(321+165)=948+(940-181)=17×5=984-517+802=583+255×2=190+(195-131)=199+(267-173)=78×9-152=436-(925-922)=513-359+218=152+274-108=173-101+130=6/8+2/8=329-15×9=622×7-46=488-(413-385)=218+98-68=770-60+633=298×8=431-338+762=45+(675-645)=500×3=562-(444-327)=681-405-238=788-224=992-180-70=271+198+112=19+229-200=435-424+422=2/10+6/10=375-(10+57)=51+(361-353)=431-285+14=102×(429-425)=727×2-988=287-(212-202)=440+(659-548)=297-288+343=232×3=625-417+840=300-229+252=24+318+421=431-126-84=345+338+578=450-260=472-100×3=104×(330-323)=890×8-796=783-(490+129)=183+190=693×3=129×6-552=83×7=481-475+331=156+263=900-(109+289)=82×4+93=703×(515-509)=536×(258-254)=931+(249-177)=607×3-610=90×(127-122)=766-577+759=139×6=115-89=86×6+987=823+394=485-(116+315)=889-120-126=67×8-514=918-303=360-(92-32)=158+98-222=125+(486-444)=1/7+2/7=624+170=471×7=323-(217-128)=824×(215-212)=120-29×3=907-(113+643)=471+795+634=917+836-188=334+849+740=917×2=872×2=341-(83+246)=730+219=280+83=318-20=302+34-221=169×2=178-12-162=629+76+487=252×2+489=310-70=491-460=581+582-415=214×6-640=686+606+872=118+299=943-415-404=152+207=748-(645+102)=310+(495-146)=359-(226-69)=933×(691-685)=923+76+806=418-60=592+343-528=632+900=326-206+380=981-795-108=879-(587-291)=197+(349-294)=918+541+230=833-386×2=993×5=319+138-178=623-520=538-280+619=347+119×2=212-(492-424)=395+(307-71)=407-(249+10)=414+(500-387)=464+(920-857)=980-(50+464)=232×2-112=210×2=59+67=643×(39-33)=610×3-990=844+159=154-(444-336)=959-444-126=909×(735-729)=885+520-366=419-(34+143)=36×7=469-275+85=625-153=200+411+386=442×2+392=577-321+812=470-(183+152)=250×3-483=650×7-285=613-(878-342)=303-136×2=185×2+768=503-66=235×2+988=644+732-47=156+133=215-(12+174)=364+426=14+(621-304)=390-(195+72)=745-73-628=625-80×5=276+(333-329)=277+96-186=170+19×5=650-325=459-(576-553)=603+179+132=805-35×2=92×3=997-(858-423)=925+301-215=71+452+144=432-253-93=399+690=483+430+87=397+184+250=143+23+237=481-52-382=830-36-331=649+765+351=87×9=795-(260+276)=454-103=434-112=70×(349-345)=290+109+372=3/8+2/8=96+(926-727)=194+69=參考答案19×(140-133)=1332/10+4/10=6/10603-435=168313-(278-204)=23993-12+123=204466+12+380=858252-156+76=172886-256-566=64465+652=1117193×(303-298)=96510×3=3086×5+344=774290+(120-44)=366431-153-213=65874×7-73=6045196+350=54631+420-63=388271-25-26=22058+165×3=553725-112×2=50135×(353-346)=245323×7=2261368-81-64=223253×(233-230)=759899×(900-892)=7192434×9=3906317×3-41=910406+90=496291×3-311=562409-46×2=317154+142×4=722105×(62-55)=735267+(934-594)=607747-160+132=719460-174-170=116975-(196+600)=17942+366+288=696185+(712-689)=20866×(732-727)=330121+(294-40)=375908-390-34=484490-(330-76)=2361/8+2/8=3/8788×9-554=6538468-(89+378)=1749-(973-720)=496803+73-30=846497×(132-125)=347946+121=167189×5=94527×7+495=684575+(939-187)=1327186×(134-130)=74470+283=353105×3-48=26735×7+882=1127424-(77+233)=11488+362=450117-22×5=7560-(946-807)=421406-(98+67)=241104×8-497=335241-117+312=436137-97=40253-(269-176)=160206+(18-16)=208771+212×2=1195930+190+691=1811495-(417+20)=58852-639+69=28262+92+691=845384-(190+62)=132838-(301+70)=467147×(399-395)=588402+212×2=826708-199-394=115395+502+909=1806702+991-978=715550-267×2=16477-405+91=163160+604=764843-(158+85)=600315-32=28313×6+910=988186-98=88329-(112-21)=238421-(108+263)=50393-(108+220)=65391-242-108=41908+575=148371+811+879=1761103×5-43=472318-144-162=12228-90-107=31575-50=525823-262-171=390509-192+237=554350-(316-66)=100173×3-171=3482/8+5/8=7/8810-(317+469)=24462-249=213250-(283-80)=47658-(538-431)=551382+167=549447-(33+259)=155435-48×4=24357-55+124=126498-195-228=75450-(274-49)=225285-(412-314)=187462-168×2=126494+(914-279)=1129889+23-434=478976-832=144424×(917-914)=1272858-157+547=124898-(141-43)=0261+215×2=691430-(308-141)=2633/5-1/5=2/5184×3=552150+547+169=866116×6=696984×(424-417)=68881/5+2/5=3/5359+19×3=416495-343-36=116300-(117+38)=145262×9=235850+298-111=237658-(183+130)=34567+427×2=921995-576-143=276245+68-275=38800+76+751=1627819-(632+35)=15240×(459-454)=200606+(932-593)=945707×(741-737)=2828179×5=895314+815=1129867×4-878=2590106×4+180=604260+(323-238)=345879+(913-518)=1274362-76×3=134119×(57-49)=952344-67×5=9194+585+129=908199-(255-179)=123277-94×2=89309-18×7=183483-34×4=347369+869+921=215943×6+370=628665-233+795=1227762-(301+221)=240116×5-68=512288-110=178111×3-239=9473×2-129=17185+312-116=381225-100×2=25529+969+511=2009898-13=885111+97-202=6168×2+800=1136293+(512-22)=783116-44=722/6-1/6=1/64/6+2/6=192-(18+63)=11112+50=16291×(339-330)=819885+(607-49)=1443125×8-637=363355+125=48013×(262-255)=91905-13=892380-(40+206)=134434-253-141=40674-33×3=575211+496-479=228543-(986-676)=233808+120-832=96939-99×9=48177×2+148=502380+(328-20)=68884×(508-505)=252267-(112+52)=103111×5+365=92078-38+115=155742-114+685=1313586+381×2=134887+60×9=627287-103-64=120150×2=300269×2=538848+103+941=1892214-(419-355)=150548-(945-431)=3474+45=1194/7-2/7=2/7827+(902-332)=139735×9=315242×(965-960)=1210443-113-152=178528×6-936=2232265×3-555=240660-593=67374+251=625549×9-155=4786733-56×4=509401-(162-129)=36823×6+81=219357×2+631=1345227×4=908264-54-159=51249-126=123328-(169-138)=297874-(125+713)=36205+213+263=681351×(561-552)=3159201×4+196=1000662×3=1986180+38=21868+172=240791-(869-253)=175474-167-298=9117+85=202453+45×3=588980-310-623=47354-201=153521×6=3126998-270-369=359634×5=3170763-682+642=723139+160=299341-149-17=175241-217=24890-734=156506-60×2=38647×6+844=1126261×3-326=457722-(879-793)=636276×5-95=1285374×(61-53)=2992476-(16+291)=169488-417-53=18310×3-840=90361-221=140303-(446-146)=3161×5-221=584512-193-130=189385-(987-655)=53657-(260+119)=278984+482-40=142610×(275-269)=60721-463=258498+28×2=55485+267-127=225405-(155+154)=96888-648+81=3212/9-1/9=1/9870-(232+237)=401500-30=470328+283+25=636110+361+178=649430-373+108=165605×6=3630946+881+715=2542244+39-126=15723+246+75=344577+312=889266+(487-113)=6404/5-1/5=3/5683×2-166=120074+28=10251+181+622=854391+24-166=249667-(268+344)=55850-694=15653+440-440=53866×(44-38)=519624+323-156=191105×3=315366+(230-29)=567334-276+67=125992×(523-515)=7936366×5-477=1353470+10+218=698934+577-573=938156+471×2=109885+255-143=19775+38-83=30651-469=182165+40=205440-64×2=312480-34×8=20810×6=60328×2+224=880324-146+263=441566+10×4=606416+638-58=996246×7-586=1136188+270-412=46486-428+20=7886×9-51=72382×6-206=286237×(45-41)=948230+(941-13)=1158903+(529-528)=904249-21×2=207867+(804-286)=1385723-47×3=582470+(439-78)=831719-(164+432)=123131+(266-62)=335615-(126+400)=8988+90=1789/10-1/10=8/10155+264×2=6833/6-2/6=1/695×(269-260)=855507×9-719=3844106×(82-78)=424355-316=39796-147×3=355951-23-742=186280×2-553=7825+283×2=1391209+157=366486+868=1354120×4=480641+129=770234-35+43=242107+218-229=96307×2-66=548590-(352+198)=40624-(14+285)=325486-(318-244)=412291+39-99=231919-(699-110)=330300×2+919=1519528-369-40=1194/7-1/7=3/7450×2=900650+79+248=977439-28×3=355201+213-269=14568+326+567=961306×2-483=129539-24+488=1003713+985+52=1750366+349-434=281234+114=348151+77×4=459358-(55+151)=152270-(112+46)=112684×5-893=2527900-47=853212+221=433796-(61+590)=145387-97=290105+321=426141-76+431=496142+287+328=75718×(28-19)=162189+134=323522-116-144=26241×(153-148)=205231×4+73=997285+200-299=186916-48=868943-130×3=553374-191+47=23087+304+529=920432×6-162=2430115-34+293=374723+(956-843)=836418-33-143=242725+(550-130)=114544-32=12500-495+380=38529+(634-540)=123867+126×6=1623363+520+82=965219×(356-352)=876917+479+366=1762278+(608-80)=80694×7+33=69136×5=180161×2=322521×9-404=4285155+143×5=870116+(492-240)=368233+115=348142×6-669=183658+(907-174)=1391871+(527-275)=1123999-165×4=339502+905-300=1107944-84×6=440929-171×4=245440-29×5=295815-115-399=301621-504+948=1065474-(298+32)=144406+859=1265193+(285-20)=458554-236-188=130245+280+71=596589+986-79=149619×(409-405)=76254×3-310=452788+249+901=1938811×2-211=1411114+92×6=666341-300+277=318796×(784-776)=6368416-(287-179)=308469-403+39=105354-36-291=27198×3+179=773419-(442-215)=19263×2=126285+292+312=889167×5-103=732367+100+142=609409-73=336232×(296-290)=1392335-(375-319)=279477-370+222=329373-368+71=76677-445+450=682848×(932-929)=2544477-(89+274)=114445-(429-168)=184474-29=44572×2=14419×6-70=44496-(307-54)=243330-302+282=310497+597+714=1808501+123+546=1170131×7-34=883493-298-57=138156+(320-258)=218480+(447-65)=862270×3=810643-289=35436×7-223=29353-266=87186+34=22073+263=33698×6=588410-37-298=75240×2-230=250107+525+890=1522321+75-192=204684-(343-176)=517574+659=1233253-199+57=111357-(13+320)=24739+954=16932/5-1/5=1/5854-33×9=55789+344-226=207113×2+91=317359+(471-294)=536317+86-337=66384+353+565=130284×5=420575×4=2300739-(106+535)=9855×(961-955)=330726×5-129=350170+380=450998-483-210=305327-(447-380)=2605/8+2/8=7/8491-60×5=191457+51×6=763425+729-748=406119-28×3=35220+272-422=70486-116×3=138145-38×2=69381+62-148=2951/4+2/4=3/4790-241=549784-(425+96)=263248-(762-622)=10886+519+284=889199-84×2=31140×5=700942-(18+836)=8898+122=220632+399+733=1764264×2=528821-(682-622)=761230+92=32285-(312-264)=3781+(385-78)=388408×8-986=2278425+22-113=334221×2-294=148701-(940-749)=510258×3+750=1524140-21+344=463187×5+31=96698×(411-402)=882278×4-827=285612+328-640=300412×2=82494-34=60992-91-368=533960-529+758=1189302-59-195=48486-(516-315)=285993-109-810=74187×4-586=162368-29×6=194934-205×4=1143/6-1/6=2/6843+90+520=1453940-766+408=582310+(392-262)=440470×(567-563)=1880426-351-53=22817+(325-120)=1022399-(139-63)=32325+85×7=620488-99×4=92435-97×3=144672-179=493460+(434-134)=760281-(26+56)=19969+591+245=905264-190+202=276360×2=720267+34+276=57767×(20-15)=335754-722+583=615376-(283+27)=66789+53×6=1107244-(125-103)=222137×5=685903-59+318=116247×7=329288+151=439467-(346-192)=313286-14=272242-71-32=139737-279=458385-50×4=185215-76=139132×(430-425)=660176-22×2=132771+855-266=1360467+249-226=490305+700+94=1099990-775-197=18195-19×4=1195/6-1/6=4/62/7+4/7=6/7588-(693-492)=387607×(267-258)=5463417-24×6=273623-426=19732+(261-94)=19955+126=181345×4=138066-(204-151)=13700-215-272=21314+32=46132×5=660275+37×9=608891-200×3=291813×(979-972)=5691630-(532-498)=59616×5+292=372214+158+428=800304-31=273741×6=4446324×9-513=2403180-44=136415-80×3=175356-305-20=31689-(162-120)=647455+(101-65)=491375+(80-34)=421672-(141+12)=51962×4=248581+375-783=173956×6=5736475-104×3=163384×8=307292×(472-469)=276436×3-366=942816-658+810=968514-74=440370+101=47123+(384-185)=222107+(227-145)=18966+77=143477-91×3=204436-233-170=33382-183×2=16230-32×5=70377-179-50=14896+247×4=1084794-691+549=652251-61-69=12136+145=181399-(230+57)=112183×2=36698×5+34=524274+(448-237)=485296+(364-199)=461458-(233+24)=201887-(80+445)=362229×2=458484-304=180721-387+217=551719+254-281=692236-55×4=16514-56×7=122379+(369-340)=408499-92×4=131642+187=829949+412-456=905720×(118-109)=6480142+486+337=965437-(70+80)=287497-25-153=319956+827-310=1473876-780+300=396905+332+501=1738222-13=20935×(304-296)=280201-191+23=33500+101×3=803254×(188-185)=762101+340-204=237353-279+424=498250+143-392=1138×7+499=1465105×8=840851-718-125=8562+30×5=712394×(334-330)=1576583-(546-55)=92341×(648-642)=2046842-437-165=2405/9-1/9=4/9938-(946-917)=909963+314×2=1591894-588=306313×2-49=577219+870-512=577217+22-116=123196-91=105112×(215-209)=672573×(625-618)=4011132×4=528117×(375-368)=819599-80×4=27915+141-115=41922-428=494435-215×2=586-(155-92)=23885-28×2=829564-93=471968-(321+165)=482948+(940-181)=170717×5=85984-517+802=1269583+255×2=1093190+(195-131)=254199+(267-173)=29378×9-152=550436-(925-922)=433513-359+218=372152+274-108=318173-101+130=2026/8+2/8=1329-15×9=194622×7-46=4308488-(413-385)=460218+98-68=248770-60+633=1343298×8=2384431-338+762=85545+(675-645)=75500×3=1500562-(444-327)=445681-405-238=38788-224=564992-180-70=742271+198+112=58119+229-200=48435-424+422=4332/10+6/10=8/10375-(10+57)=30851+(361-353)=59431-285+14=160102×(429-425)=408727×2-988=466287-(212-202)=277440+(659