三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦853-43×2=524×8-755=679+988=167×4+23=129×(301-298)=191×2=704-445-106=59+432+412=368+(79-70)=966-741-25=369-(626-426)=139×6+561=934×4=154-138+345=123×8-680=60×7+335=926+608+235=938-(264+133)=415-13×9=140+76×6=452-245=812+515-981=90+(171-27)=476-185=643-16×3=368-(33-23)=255-165=510+(795-731)=360-32+951=891×6=326-297+292=234+183-42=373-(483-230)=72+(667-234)=52+(234-135)=236+(414-86)=269-167-95=933+290+160=465-267=950×(176-168)=21×6+240=345-161×2=17-11+543=687-96×4=44×9=368×3-879=132+(758-462)=855-358-368=413-36×9=814+851-555=418-35-154=189+736=748-80+836=853-232-35=764-417-144=209+149-237=587-566=455+688-251=314+(975-94)=785-66-346=98×6+273=406×(564-555)=192-92+259=642-171-174=43×5=108×(934-929)=699-(398-66)=386-152-143=76-(27+48)=587-337-143=479-88×4=740-130-139=497-156+144=179+(508-93)=909-(939-511)=705×(579-575)=263+(871-814)=399×5=420-(759-567)=819+97+78=123+135×3=128+107=492-(163+143)=189+104×2=925+(387-385)=306-23×3=941-396-71=202+233+258=474-(297-86)=157×2=345-327=148×6-728=806-512=403-289+48=62×6=768-184×4=264-19×6=418-(488-386)=552-66-36=244-(99+28)=455+103=843+(894-776)=286+(519-482)=658+135+859=377-(164+180)=891+726+882=486-(123+36)=247+241=64-13×3=435-(24+400)=17+894-622=54+10×7=847+672+195=181+236+229=675×9-373=280+110=798-(249+167)=313-174-72=87×4=871-103×4=747-353-394=386+(810-103)=5/8-1/8=87+188=544+326×2=146+(418-72)=489×(866-859)=756+431+836=495-309+223=469+119×3=205×3=37-23+239=234+86×6=247-71-85=98×(428-420)=480-(451-215)=4/7-1/7=146×6-754=784×(709-701)=900-270-191=3/7-1/7=923-85-749=471-136-211=115-58+435=4/8+3/8=197-(433-399)=141+904+575=460-147+139=5/8+2/8=768×4=432+(496-234)=459-459+429=119-44×2=765×(314-307)=469-56×4=452×4=542+22×9=280+(459-44)=841-(394+377)=800-319+859=848-128×3=476+134×2=131-121+489=342+99=463-112×3=704+333=85×7-113=901+(178-133)=328-135+605=119-(416-371)=20+(413-227)=778-(111+394)=207×7=154×4-415=304-133×2=180+276=731+(506-342)=386-18=244+144=662+(109-37)=341+72-57=472-(109+239)=51×7=465-228-182=198+211-294=481-315+157=838+103×5=835-599+797=29×7=961×6=177-147=419-(20+354)=992-(938-510)=395+956=219×5-973=477×2+583=416-32×3=328+30×8=360-118×2=242-30×6=244-(455-445)=94×6=7/10+2/10=746×9=95×3=701-435-216=355-305+307=40+500+199=143+365=289-13+858=714+925-695=178+293=231-51+159=489×4-549=180×(226-221)=302-151+160=693-(587-468)=374-(202+26)=443-224+86=239+(167-121)=844+533-197=825+(801-619)=19+33+339=2/7+4/7=352-45×4=159×6=920-35×5=257-(666-411)=426-42×9=234×(207-204)=480-(11+281)=36+398-90=249+400+139=315×2-22=201×(633-630)=343×6-225=532-(176-152)=276+346=313+153+159=182+194-299=371×2=91+218+335=98+54-68=78+108+542=221+(253-43)=156×2+308=203-(21+78)=892+160-831=498-(224+164)=33+(325-323)=148+164=407-373=486-106-108=104-(446-343)=716-(280+397)=251-27×4=500+(185-39)=262-101×2=2/5-1/5=270+459+320=90+692-685=93×5-319=479-(467-11)=236+409=845×(420-411)=662-(162+478)=381+29×2=180×7-531=341+30-260=173-(90+32)=237+122×2=21+83=143×5+840=160×(300-294)=221+163=515-345=304-16-202=371-354+49=248-(290-156)=441-(249+87)=894-(706+162)=980-45×4=397+94=27×(97-88)=238-72=125×7=548×8=415-(176+219)=908+525-956=679+291-395=939-162×2=638×(94-90)=5/7-1/7=600-(69+495)=3/10+7/10=816-748-42=891-418=456-102-157=416-(357+47)=559-(600-350)=748×6-366=881-(623+11)=498+426-617=489-(253+156)=846-(617-421)=168×(181-176)=348+46+275=466-66+32=113+26=807-(143+37)=302+(241-98)=816+927+524=180+955-186=806×(594-591)=51+355-378=478-(369-19)=1/8+6/8=90×(400-393)=51×(498-492)=345-(233-71)=471-175×2=100+192=126×(202-198)=567-(218+300)=687-(20+488)=150×(460-457)=19+(263-50)=850-(289-80)=308-56-38=333-232=765×3-352=998-152=87+184=544+129×3=202+74+156=414-268-88=898-(324+413)=22×5=436-84=280-(242-29)=347-43×5=740×7-161=650+544+879=124-(290-192)=251×3+223=365+90×5=384+638-146=193×5+377=27×(461-455)=280+(306-165)=447-46+10=1/5+2/5=809-154×2=2/7-1/7=193×7-764=450×2=189×3+318=897×4=98+317=1/8+2/8=995-73+50=476-289=939+992=866+459×2=899×7-329=294-(203-34)=111+74-21=250+191-264=480+180+400=666×8=22×(39-31)=369-287=195+(953-628)=247+(297-188)=91-(395-390)=977-420=972×9=405-(423-227)=445×2-513=425-260-83=181+271-347=139×4=946+397=706+296-521=464+634-75=89×(61-57)=734-61=86×(494-487)=466-(202+206)=91+305-236=765×(604-596)=847-(441+145)=91×(938-931)=495-(90+386)=878-(927-924)=284+110-216=471+16-97=713+14+948=764-78=838-194×3=600×(949-942)=271×2-70=351+231+573=462+(328-223)=331+268=314-(132+140)=12×(177-172)=230+347+137=871-95-286=92×4+343=56-11×3=118×(480-477)=118×5+188=50×9=203+346+124=216+(842-70)=479×2-380=253+512+145=144×6-319=968-(716-561)=105×5=843-(662-62)=3/5-2/5=866-529+568=192-39=813×(265-258)=439-37×7=60+308=575+197+184=397×2+43=153×3+46=111×7-260=258+44=71×(44-41)=834-337+811=462-104-106=476+50×7=347-110-91=241+(394-183)=154+75=341-318=825+73×9=805-(651-22)=384-(426-309)=775-505=178+232=963-(404+352)=901×(202-196)=454-385=150-(372-266)=475-222=358×(58-55)=554+137+274=404-(990-837)=834-530+53=842-421=157×(113-108)=739+(546-63)=461×8=414×2-643=139+160=93×(33-29)=365×2-198=368×5-841=309-(214-198)=35+568-571=198×3-13=140×3-262=418×(938-935)=321×2-408=409-44×7=226+(411-266)=27+37+459=237+414+254=833-(430+242)=284-(453-442)=464-242+505=521×5=341-33=215+(735-650)=544-321+840=865+28×8=446-(85+47)=148+(379-254)=262-160+28=443-295+84=121+357=114×(234-229)=230-27-126=917×8=785-116×6=244+225×2=231-(241-200)=581+700-138=314-181=128-87+163=186+202=939+417+231=327-(24+136)=450-(327-215)=105×(117-109)=429-(57+183)=279×2=318-156-94=344-172+178=526×(661-652)=876-(778-613)=193+552=36+424-442=66+338×2=285+211=252×7=586+(839-391)=378-106=66×3-104=724+224=684+743=400+68-170=566+589+562=705-632-49=453-416+355=103×3+43=673×7-820=363-277+757=133+196-323=325-(88+72)=488-112-311=210-12+105=988-294-249=113-24+305=111+234+534=854-328-384=664-198+380=420×6-858=262+218-160=261-62+458=732+(304-292)=202-22×6=115+625=387-109-141=224×3=235×8=81-76+461=218+205-113=499-409+367=573+134+372=270×(629-623)=122×9-225=154-50×3=226×7=390-151×2=473-10×4=391-51=929-111×2=48×8=229-(19+75)=247+151=52×4+231=63×(75-72)=410-(143+130)=822+348=65+99=800-(170+522)=927-178-198=439×2-179=549-153=357+(610-289)=571-49=262×3-380=321×8=934+(956-874)=628+616+436=254+536+762=98×3+46=326+285=440-257=287-12×6=347×3=347-233=144+90=805-(288-186)=755+782-687=638+153=840-(901-95)=378×(755-752)=239+188-66=543-57×7=561+109+162=539+234+141=878-(585+172)=462-168-22=438-268-144=839-167×4=335-(319-28)=626+(988-951)=44×(153-145)=324-(303-273)=3/7-2/7=57+239=614×6-738=234-178=597+549+807=499-(153-58)=972-558=715+930-172=214+794=766×7-587=220+288×2=309-147=252+91=99×7-15=504-(407-230)=903-(819-367)=602-208+455=552-(127+68)=155×6+680=642+118=86+482+400=478-43-371=481-(250+211)=939-36+328=344-33-237=762-(318+139)=772-131×4=959-487-315=347×8-509=704+352-916=85×9-432=193×3+11=263+(392-134)=466-296+936=138+88-39=87+80×5=455×2-465=965-(703-426)=914-15-568=661×(109-102)=302-220=693-142×3=327+(209-175)=875-(111+279)=16×(324-320)=430-30=460+36-69=163×5=1/10+9/10=354-200=361+(311-39)=347+(70-66)=786-388-62=357+85-317=111×7-484=607-142-250=342+106+398=490-(36+263)=621+702+844=463-(296+85)=100+242-120=140×7-365=438-42-47=62×7=124×2=576+(766-233)=428-(345-307)=68+(205-46)=82×2+149=103-(451-416)=15×(275-266)=272-72-51=18×3-27=72-10=192×2=166×3=3/8+4/8=310-113-75=500-(339-44)=113×4=675×3=500-(264-122)=371-39×3=452×2-153=185+166-145=187+(343-246)=382+(457-39)=78-53+630=885+265+656=719-(444+14)=12+(393-16)=591×6-303=243+44=497+780+469=118+649+994=482+127+88=421-121=127+(412-305)=244+362=985-553=282+737-196=27×8+145=106×5+806=441+211×2=974+289-595=394-267+57=99+210-243=262+(617-377)=473-109×3=949+192+752=601-351=732-72×5=247-10×3=798-(488+250)=199-124=200-28×6=492-30×3=570+(236-16)=297-57-72=743+334-612=751+651-229=288-228=338-306=168×5+728=294+(392-191)=904×8-831=953-(828-553)=41×8=40×6=526-(469-189)=357×7=514+975-649=426-186+121=304×(992-989)=123×7-686=213-11×6=46×(119-113)=454-35×9=942-607=227-196-31=102×8-797=156×6+61=464×(182-178)=92+30×2=158-93+988=957-(986-192)=363-35-247=502-71×2=3/8-1/8=316+22-208=487-213-105=312+716=823-230-267=75×3=45×9=875×7-497=86+199+763=2/4-1/4=337-132=498+437=907-326=529×7-478=67×(226-218)=185×7-80=705-(37+329)=952-(589-565)=637-459=427-(240+19)=963+809-680=203×4-445=289+163-322=725-356+212=449+303+96=199+(392-72)=455×2=872+(853-133)=299-62-235=58+933-445=334+719+300=326-(23+61)=108+280+159=362-113+31=971-(589+224)=934-79×2=132+104=902×(514-506)=87×7-42=523+400-790=874-473+30=148+340×2=195-165=323×2=931-(13+230)=44×7+402=114+180-106=708-381=499-70×6=496+414+507=372-42×5=255-61+237=187×3=272+294+287=171+(445-302)=496-(306+27)=298-290+447=274-(810-601)=141×(203-198)=89×8-244=144+596=404-131+188=450×(709-706)=14×4+398=456-(130+217)=113×8-896=86×8=4/5-1/5=103+367+334=490-169=279+232×3=162-54+94=968-(235-148)=283-189=996+(645-20)=85×6-419=395+74×5=349-179=85+317=126×(19-14)=6/8-1/8=441-49-35=186×3+924=113×2+531=1/4+2/4=171×5+520=140×5=498+55×5=3/9+4/9=204-24=382+199×3=577+161=819-51+206=193+198+385=313×(200-197)=403-34-69=518×(445-442)=199+255=143+899-187=118+60+669=661×4=288-43=674×(793-786)=514-125=425-50×4=419×2-546=692-63×7=133+149=786-727+880=172×7-649=376-(56-47)=133+278=977-45×7=253-88-30=80×(357-350)=287+79-82=898-(252+172)=124+464+369=517+340+54=參考答案853-43×2=767524×8-755=3437679+988=1667167×4+23=691129×(301-298)=387191×2=382704-445-106=15359+432+412=903368+(79-70)=377966-741-25=200369-(626-426)=169139×6+561=1395934×4=3736154-138+345=361123×8-680=30460×7+335=755926+608+235=1769938-(264+133)=541415-13×9=298140+76×6=596452-245=207812+515-981=34690+(171-27)=234476-185=291643-16×3=595368-(33-23)=358255-165=90510+(795-731)=574360-32+951=1279891×6=5346326-297+292=321234+183-42=375373-(483-230)=12072+(667-234)=50552+(234-135)=151236+(414-86)=564269-167-95=7933+290+160=1383465-267=198950×(176-168)=760021×6+240=366345-161×2=2317-11+543=549687-96×4=30344×9=396368×3-879=225132+(758-462)=428855-358-368=129413-36×9=89814+851-555=1110418-35-154=229189+736=925748-80+836=1504853-232-35=586764-417-144=203209+149-237=121587-566=21455+688-251=892314+(975-94)=1195785-66-346=37398×6+273=861406×(564-555)=3654192-92+259=359642-171-174=29743×5=215108×(934-929)=540699-(398-66)=367386-152-143=9176-(27+48)=1587-337-143=107479-88×4=127740-130-139=471497-156+144=485179+(508-93)=594909-(939-511)=481705×(579-575)=2820263+(871-814)=320399×5=1995420-(759-567)=228819+97+78=994123+135×3=528128+107=235492-(163+143)=186189+104×2=397925+(387-385)=927306-23×3=237941-396-71=474202+233+258=693474-(297-86)=263157×2=314345-327=18148×6-728=160806-512=294403-289+48=16262×6=372768-184×4=32264-19×6=150418-(488-386)=316552-66-36=450244-(99+28)=117455+103=558843+(894-776)=961286+(519-482)=323658+135+859=1652377-(164+180)=33891+726+882=2499486-(123+36)=327247+241=48864-13×3=25435-(24+400)=1117+894-622=28954+10×7=124847+672+195=1714181+236+229=646675×9-373=5702280+110=390798-(249+167)=382313-174-72=6787×4=348871-103×4=459747-353-394=0386+(810-103)=10935/8-1/8=4/887+188=275544+326×2=1196146+(418-72)=492489×(866-859)=3423756+431+836=2023495-309+223=409469+119×3=826205×3=61537-23+239=253234+86×6=750247-71-85=9198×(428-420)=784480-(451-215)=2444/7-1/7=3/7146×6-754=122784×(709-701)=6272900-270-191=4393/7-1/7=2/7923-85-749=89471-136-211=124115-58+435=4924/8+3/8=7/8197-(433-399)=163141+904+575=1620460-147+139=4525/8+2/8=7/8768×4=3072432+(496-234)=694459-459+429=429119-44×2=31765×(314-307)=5355469-56×4=245452×4=1808542+22×9=740280+(459-44)=695841-(394+377)=70800-319+859=1340848-128×3=464476+134×2=744131-121+489=499342+99=441463-112×3=127704+333=103785×7-113=482901+(178-133)=946328-135+605=798119-(416-371)=7420+(413-227)=206778-(111+394)=273207×7=1449154×4-415=201304-133×2=38180+276=456731+(506-342)=895386-18=368244+144=388662+(109-37)=734341+72-57=356472-(109+239)=12451×7=357465-228-182=55198+211-294=115481-315+157=323838+103×5=1353835-599+797=103329×7=203961×6=5766177-147=30419-(20+354)=45992-(938-510)=564395+956=1351219×5-973=122477×2+583=1537416-32×3=320328+30×8=568360-118×2=124242-30×6=62244-(455-445)=23494×6=5647/10+2/10=9/10746×9=671495×3=285701-435-216=50355-305+307=35740+500+199=739143+365=508289-13+858=1134714+925-695=944178+293=471231-51+159=339489×4-549=1407180×(226-221)=900302-151+160=311693-(587-468)=574374-(202+26)=146443-224+86=305239+(167-121)=285844+533-197=1180825+(801-619)=100719+33+339=3912/7+4/7=6/7352-45×4=172159×6=954920-35×5=745257-(666-411)=2426-42×9=48234×(207-204)=702480-(11+281)=18836+398-90=344249+400+139=788315×2-22=608201×(633-630)=603343×6-225=1833532-(176-152)=508276+346=622313+153+159=625182+194-299=77371×2=74291+218+335=64498+54-68=8478+108+542=728221+(253-43)=431156×2+308=620203-(21+78)=104892+160-831=221498-(224+164)=11033+(325-323)=35148+164=312407-373=34486-106-108=272104-(446-343)=1716-(280+397)=39251-27×4=143500+(185-39)=646262-101×2=602/5-1/5=1/5270+459+320=104990+692-685=9793×5-319=146479-(467-11)=23236+409=645845×(420-411)=7605662-(162+478)=22381+29×2=439180×7-531=729341+30-260=111173-(90+32)=51237+122×2=48121+83=104143×5+840=1555160×(300-294)=960221+163=384515-345=170304-16-202=86371-354+49=66248-(290-156)=114441-(249+87)=105894-(706+162)=26980-45×4=800397+94=49127×(97-88)=243238-72=166125×7=875548×8=4384415-(176+219)=20908+525-956=477679+291-395=575939-162×2=615638×(94-90)=25525/7-1/7=4/7600-(69+495)=363/10+7/10=1816-748-42=26891-418=473456-102-157=197416-(357+47)=12559-(600-350)=309748×6-366=4122881-(623+11)=247498+426-617=307489-(253+156)=80846-(617-421)=650168×(181-176)=840348+46+275=669466-66+32=432113+26=139807-(143+37)=627302+(241-98)=445816+927+524=2267180+955-186=949806×(594-591)=241851+355-378=28478-(369-19)=1281/8+6/8=7/890×(400-393)=63051×(498-492)=306345-(233-71)=183471-175×2=121100+192=292126×(202-198)=504567-(218+300)=49687-(20+488)=179150×(460-457)=45019+(263-50)=232850-(289-80)=641308-56-38=214333-232=101765×3-352=1943998-152=84687+184=271544+129×3=931202+74+156=432414-268-88=58898-(324+413)=16122×5=110436-84=352280-(242-29)=67347-43×5=132740×7-161=5019650+544+879=2073124-(290-192)=26251×3+223=976365+90×5=815384+638-146=876193×5+377=134227×(461-455)=162280+(306-165)=421447-46+10=4111/5+2/5=3/5809-154×2=5012/7-1/7=1/7193×7-764=587450×2=900189×3+318=885897×4=358898+317=4151/8+2/8=3/8995-73+50=972476-289=187939+992=1931866+459×2=1784899×7-329=5964294-(203-34)=125111+74-21=164250+191-264=177480+180+400=1060666×8=532822×(39-31)=176369-287=82195+(953-628)=520247+(297-188)=35691-(395-390)=86977-420=557972×9=8748405-(423-227)=209445×2-513=377425-260-83=82181+271-347=105139×4=556946+397=1343706+296-521=481464+634-75=102389×(61-57)=356734-61=67386×(494-487)=602466-(202+206)=5891+305-236=160765×(604-596)=6120847-(441+145)=26191×(938-931)=637495-(90+386)=19878-(927-924)=875284+110-216=178471+16-97=390713+14+948=1675764-78=686838-194×3=256600×(949-942)=4200271×2-70=472351+231+573=1155462+(328-223)=567331+268=599314-(132+140)=4212×(177-172)=60230+347+137=714871-95-286=49092×4+343=71156-11×3=23118×(480-477)=354118×5+188=77850×9=450203+346+124=673216+(842-70)=988479×2-380=578253+512+145=910144×6-319=545968-(716-561)=813105×5=525843-(662-62)=2433/5-2/5=1/5866-529+568=905192-39=153813×(265-258)=5691439-37×7=18060+308=368575+197+184=956397×2+43=837153×3+46=505111×7-260=517258+44=30271×(44-41)=213834-337+811=1308462-104-106=252476+50×7=826347-110-91=146241+(394-183)=452154+75=229341-318=23825+73×9=1482805-(651-22)=176384-(426-309)=267775-505=270178+232=410963-(404+352)=207901×(202-196)=5406454-385=69150-(372-266)=44475-222=253358×(58-55)=1074554+137+274=965404-(990-837)=251834-530+53=357842-421=421157×(113-108)=785739+(546-63)=1222461×8=3688414×2-643=185139+160=29993×(33-29)=372365×2-198=532368×5-841=999309-(214-198)=29335+568-571=32198×3-13=581140×3-262=158418×(938-935)=1254321×2-408=234409-44×7=101226+(411-266)=37127+37+459=523237+414+254=905833-(430+242)=161284-(453-442)=273464-242+505=727521×5=2605341-33=308215+(735-650)=300544-321+840=1063865+28×8=1089446-(85+47)=314148+(379-254)=273262-160+28=130443-295+84=232121+357=478114×(234-229)=570230-27-126=77917×8=7336785-116×6=89244+225×2=694231-(241-200)=190581+700-138=1143314-181=133128-87+163=204186+202=388939+417+231=1587327-(24+136)=167450-(327-215)=338105×(117-109)=840429-(57+183)=189279×2=558318-156-94=68344-172+178=350526×(661-652)=4734876-(778-613)=711193+552=74536+424-442=1866+338×2=742285+211=496252×7=1764586+(839-391)=1034378-106=27266×3-104=94724+224=948684+743=1427400+68-170=298566+589+562=1717705-632-49=24453-416+355=392103×3+43=352673×7-820=3891363-277+757=843133+196-323=6325-(88+72)=165488-112-311=65210-12+105=303988-294-249=445113-24+305=394111+234+534=879854-328-384=142664-198+380=846420×6-858=1662262+218-160=320261-62+458=657732+(304-292)=744202-22×6=70115+625=740387-109-141=137224×3=672235×8=188081-76+461=466218+205-113=310499-409+367=457573+134+372=1079270×(629-623)=1620122×9-225=873154-50×3=4226×7=1582390-151×2=88473-10×4=433391-51=340929-111×2=70748×8=384229-(19+75)=135247+151=39852×4+231=43963×(75-72)=189410-(143+130)=137822+348=117065+99=164800-(170+522)=108927-178-198=551439×2-179=699549-153=396357+(610-289)=678571-49=522262×3-380=406321×8=2568934+(956-874)=1016628+616+436=1680254+536+762=155298×3+46=340326+285=611440-257=183287-12×6=215347×3=1041347-233=114144+90=234805-(288-186)=703755+782-687=850638+153=791840-(901-95)=34378×(755-752)=1134239+188-66=361543-57×7=144561+109+162=832539+234+141=914878-(585+172)=121462-168-22=272438-268-144=26839-167×4=171335-(319-28)=44626+(988-951)=66344×(153-145)=352324-(303-273)=2943/7-2/7=1/757+239=296614×6-738=2946234-178=56597+549+807=1953499-(153-58)=404972-558=414715+930-172=1473214+794=1008766×7-587=4775220+288×2=796309-147=162252+91=34399×7-15=678504-(407-230)=327903-(819-367)=451602-208+455=849552-(127+68)=357155×6+680=1610642+118=76086+482+400=968478-43-371=64481-(250+211)=20939-36+328=1231344-33-237=74762-(318+139)=305772-131×4=248959-487-315=157347×8-509=2267704+352-916=14085×9-432=333193×3+11=590263+(392-134)=521466-296+936=1106138+88-39=18787+80×5=487455×2-465=445965-(703-426)=688914-15-568=331661×(109-102)=4627302-220=82693-142×3=267327+(209-175)=361875-(111+279)=48516×(324-320)=64430-30=400460+36-69=427163×5=8151/10+9/10=1354-200=154361+(311-39)=633347+(70-66)=351786-388-62=336357+85-317=125111×7-484=293607-142-250=215342+106+398=846490-(36+263)=191621+702+844=2167463-(296+85)=82100+242-120=222140×7-365=615438-42-47=34962×7=434124×2=248576+(766-233)=1109428-(345-307)=39068+(205-46)=22782×2+149=313103-(451-416)=6815×(275-266)=135272-72-51=14918×3-27=2772-10=62192×2=384166×3=4983/8+4/8=7/8310-113-75=122500-(339-44)=205113×4=452675×3=2025500-(264-122)=358371-39×3=254452×2-153=751185+166-145=206187+(343-246)=284382+(457-39)=80078-53+630=655885+265+656=1806719-(444+14)=26112+(393-16)=389591×6-303=3243243+44=287497+780+469=1746118+649+994=1761482+127+88=697421-121=300127+(412-305)=234244+362=606985-553=432282+737-196=82327×8+145=361106×5+806=1336441+211×2=863974+289-595=668394-267+57=18499+210-243=66262+(617-377)=502473-109×3=146949+192