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

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦645-(305+35)=138+98=698×3-219=319+176-431=249+(822-460)=27×5+33=339-315=217×3+165=215+394=781+313×2=484-32×8=377-18-69=120×6=494-12×8=412-187=167-(834-688)=605+93×5=984-(637-418)=829+187×4=605+165+96=310×5=378-(205+28)=1/5+2/5=589-28×5=197-154-28=80×(424-415)=365-274=715×8-609=405-55×7=906-354=838×5=598-(431-73)=377+824+742=200×(259-255)=242+187=2/5+3/5=36×(401-392)=889-14×7=835-501-169=24×(55-50)=282×3-537=951-180-613=2/3-1/3=88×(189-184)=861-605+13=313-216+379=402+123+420=117×(314-307)=472+(449-38)=173-(94+75)=516-13×4=503-43+274=891-103×6=797-456-200=608+118=152×4=234+111×2=900-361-157=51+140=291×3-266=669×2-542=100+59=755-(786-646)=919-30×5=523×2-532=189×(359-356)=962+(969-799)=19×3+461=831-260-136=571×3-491=816×2-908=324-213-85=925-474+712=158×3+518=354-101-58=168×6=339-272+273=467+(655-150)=885-(109+671)=506-(322+110)=485-251-104=780-660+73=469+294+104=251-(190+16)=452-(130+293)=148+140=324-50×2=573×4-721=72×(447-440)=665×7-66=569×2-921=18+130+291=397-44+139=24+335+230=111×4=482-(909-870)=198×7=165+167-225=370-274+239=896-70-348=20+(494-248)=88×9-709=167×3=12×4=341×(650-641)=394-270+288=219-(391-207)=110×8=210×4=4/8-1/8=274+(213-145)=865-(214+297)=168+167-204=84×9=944-(802-606)=269-(357-201)=632-(589+27)=429-25×8=458+361+305=214×2-356=55×(395-391)=825-(703+48)=58-(265-243)=446-205+216=3/9+5/9=278+62-123=124×3-331=346+(447-99)=191+(385-359)=388-296=770×6-584=2/5-1/5=393-30×5=876+521-415=739-28×2=921-(382-193)=441+781-258=168×3+188=173-160=278-229+296=319-49×2=117+30=743-62×5=151+213-137=358+120-323=339+63-350=745-162×4=544-403-43=31+65×4=447-(126+126)=572+842=31×8+252=324-306+316=832-434=75+462+237=105+146+733=235-25×3=495-(239+232)=715-84-473=338-68×2=336-269+295=804-625-60=473-412=682+848=194+443+577=448-254+162=334-96×2=479×(62-54)=206-78=832×5-764=843+313-118=273+54=28+309+107=487+178×2=148×2+339=185+77-91=256-135=275×3-395=122+291-146=195+675=24×(240-232)=391-100=671+312+445=70×7-27=81×5=418+(331-247)=234-(383-378)=897-884=736×(73-67)=863-162=419×(699-691)=64×2-39=225-(586-516)=196×6=281-50-223=485-(293+158)=131+287=344-23×9=451-60=337×4-190=170+74=911-257=235+823+482=202-21×5=82-(35+44)=638×6=458-(278+162)=792-462+595=44+939+476=139×5-616=975-252-528=575+559=51×6=358+162+33=361-(382-63)=46×8=910-25=681-667+236=11×(461-456)=114×4=121+144=975+(516-487)=288-(82+85)=145+505+341=146×4-498=445-111×2=841+510=125×5-539=364+23-164=1/7+2/7=112+288=316-37-257=138×(72-67)=376+206×3=78×(392-387)=254+(199-46)=214+72-176=897-559=51+178=471-38×8=40×7=438-111×2=844-320-192=46×2+331=444+130=125+522=15+133×7=626-536+594=131+279=490-478=288×9-767=371×2+115=51×4=11×6=171×(359-354)=881+(654-10)=208-33×3=958+656+844=39×3=341-(147-39)=640-402+988=71+159×2=394-(338-229)=57×(155-147)=400-115×3=415-(167+238)=266+268=451-(87-81)=176×2=368×4-255=374-(389-354)=62+129+347=846+920+881=918+861+276=489-124×3=999+930-424=798+399+368=666-(97+281)=604-201-201=614-427+831=952-194-627=128+140×6=68+105+228=770×5-497=610-119×2=108+(341-163)=11+560-134=915×(76-71)=442-338+70=100×8-377=19×5=186+(418-411)=36+70×7=322+(217-135)=803-(735-151)=161-(251-149)=437+53×6=49×2=3/6-2/6=235+70-216=786-(13+445)=3/7+4/7=138×(433-429)=893-711=937+71×4=753-53×3=758+(444-138)=624×(370-362)=293+109×3=47+264×3=269-176=891+(241-30)=325+(295-253)=454+372-461=44+31=890+(734-400)=316×(893-887)=552+194+76=274-(52+139)=760-205×3=766+623-663=110-65-16=98×8-354=447+(146-69)=402-(432-216)=936+306+378=426-79-334=368×2=484+(436-186)=905-(504+289)=287+61-221=913-(341+484)=320-85=847-26×9=483-29-28=27×(497-490)=482-306-171=128×(490-484)=553-296+904=271-21+68=63+52×6=455+851-464=305-29×5=115-24=327-17×8=992-(765+95)=968-(660-91)=564-(930-530)=352+114×8=773×7=714+524+571=406-287=917×2=295×4-582=122-(217-169)=886+(795-593)=988-652-334=811+949=463-149×3=88×3+264=159-80+248=925-142=974-192-667=476-51=102×7=40+188×5=456-(416-241)=192-(148-26)=10+96×5=88×4-227=738-88-300=288+166+428=904-405-377=116×5=956+381=995-503-131=558-52-327=230+234-321=182×6=293-42-161=828-83×5=235+240=336+393+676=639+(460-216)=372+127=206+49-130=334-133=794-329+231=120+186-279=491-128=3/4-1/4=333-(102+39)=359-33-136=30×(357-350)=409×2-258=58×9-508=208-147-28=873-739=104-(41+11)=336-324+388=147-70-75=191+(447-361)=966-639+814=124+227-223=234×(143-138)=527+412=19+184-129=314-41×2=84+(770-485)=222×6-774=970-(289+309)=83×4+160=641+123×5=2/4-1/4=18+373-316=438-(244+135)=282×4=956+957-100=644-(912-625)=912-818+458=945×4=233+416=173×3-476=968+509-116=326×(490-481)=199+122×6=365+47+515=480-(347+68)=422-(341-309)=233×2+686=543-236×2=144×(258-254)=316+58=863-235+514=894+65-791=74+365+90=462-(120+312)=675-378-272=533+369-870=976-581-285=723×8-861=627-167+171=855-213-108=338×2=948+209-934=500-(345-123)=873-51×9=316+(197-25)=15+768-355=774+(709-300)=991-876=469-173×2=446-416=565-(987-631)=177+262-394=152+(146-65)=416+602+975=792-552+637=453-126×2=73×8=355-(380-215)=301+421-321=482-110=102-48+295=140×(91-85)=476×6-228=705+267-782=414-82×3=53+107+345=299+(466-254)=271×2-90=720-(698-373)=207×7-636=111+73-175=637+264-248=709-(985-564)=173-28+18=579×5-863=442-41×2=302-266+374=127+103=480-(146+170)=292+(379-101)=316-171+882=46+233=227-(349-213)=244-(362-196)=388-144-166=233×(400-397)=315-41×4=14×5+705=536-(318+92)=112-27=3/5-1/5=677×(781-778)=995×(168-160)=648-438+530=918-193+986=232-41=420-(363-180)=330×2+34=230×9=140+194+283=206×4-159=466-45×8=451-(84+126)=222+151=601×5=452+(987-288)=72+219+470=65×8-257=474-(54+15)=259×2+371=291-270=881-39×8=270+(216-145)=981-(976-694)=204-(468-392)=709+80+217=836×7-274=614×(815-806)=996+708=83×4=432-200=273+222-139=638+274×3=117-88=583-(116+138)=49+(289-184)=508×4=912-(483-83)=191-67+28=1/7+5/7=108-(251-152)=117+596+597=373-254=645×7=347-(144+91)=157+184+480=150-(446-432)=246+129=115+236-79=471-53=100-18=401+239=27×5+160=409-207-98=447-425+491=852+(570-361)=449×(810-807)=719-11×4=68+(494-256)=249+87=103×8-596=37+(729-498)=475-(12+348)=99-16×6=526-(264-145)=299+34+635=311-(459-228)=968-(532+280)=868-(819-808)=239-71+715=295×3+460=210+(388-320)=25+180+700=304+56+270=3/5+2/5=27×8-67=284-140-38=456-164-56=230+(234-187)=63+281=472-280-51=530+330+487=263-212=218×4=94×2+167=380+259+181=560-(159+179)=921-(256+146)=757+609+548=276-259=434+(436-228)=127×(99-96)=37+92=91×(42-33)=944-58+830=656-(840-538)=168×(278-274)=531-146=513+(870-78)=472×(309-301)=68+278-224=120-94+114=130×2+134=344-(250-107)=72×(391-383)=897+345-260=420-(448-185)=759-262×2=872+555-304=513-206-306=184+170-88=61×6=69+221=400-(116+138)=872-211×4=1/8+3/8=168+(933-328)=280-220=996-428-12=180×(315-311)=585×6=182+684=81×4=127+120×7=273×2=489-(153+44)=333+(281-193)=235+262-28=271-(67+138)=268-91-150=498-(243+126)=402-(355+23)=1/7+4/7=431-(497-173)=282+192+32=760-612=620+942-776=724×4-131=423+16+548=234+423+301=514-282=44×4=161×4+219=887-273=35+394-339=53+(404-351)=741-423+721=132-56-42=412-(246+153)=767-(623+117)=473+(278-170)=786×5=765×6-351=474-179×2=46×(419-411)=409+45×8=128+52-137=458-90+127=855-221-334=86+198=169×5=102×(45-37)=24+(321-173)=11×7+119=148×4-364=195×3-77=897-665+13=398+(619-535)=743×(72-63)=701-312=211-52-148=3/7-1/7=375-336+368=157×5+375=408-90-286=907×(541-533)=637×(745-739)=279+(800-733)=335-293+148=98×6=177+(837-188)=367+29×5=633-187×3=171+191=580-158=389+75=167-72×2=329+134=309-(665-440)=458+295=880+852-604=111+(222-200)=204-37×2=977-39×2=365+988=411-153+617=75+386+339=324-211=54×7-208=267-26×9=45×7-208=69+379×2=3/6+2/6=374×(902-896)=753+348-480=464+535-695=217-(79+23)=526×(636-629)=144×8-492=915×8=18×5+117=644×5=927-(939-619)=53×(844-841)=919-36=594+671-439=6/9+3/9=575×(68-62)=867+(645-91)=48×7+446=244×2-220=405-299-81=362-(27+254)=223+(679-483)=42×(149-146)=287-23×6=180-180+71=622×(611-608)=389-143×2=699+432-405=169×2-227=279+72+193=692+(343-206)=255+530=855×2-548=368-191-107=956-(609-392)=725×(810-804)=912+540+688=547-481=976+397×2=69×9+476=474-74-98=386×2-691=3/6-1/6=192-80+141=963+524=618+708-659=408+184+404=907-(242+37)=869-11-536=274-196-19=638-609+588=201+632+116=693-(69+613)=108×2+455=493-(99+286)=312-240-23=113×2+939=4/6-1/6=651+987+776=33+112=651-210+296=49+138×6=2/6-1/6=4/7-3/7=419×6=551×9=254+134+300=500-482+137=910-(264+112)=755-(919-750)=916-106-15=176-152=440-414=972×(405-397)=496-(328-107)=49+(594-334)=270-63+235=495-367+291=339×2=269+(880-541)=73+(285-53)=4/8+2/8=249+(258-21)=865-329=660+86+823=388-(169+140)=177+260=97+914+989=253-71+121=987-405-198=282+157-18=479-(46+391)=532-(162-65)=68×(375-370)=338+138+65=863+936-485=26+353-168=214×2=341-(378-303)=318×(60-57)=612+(808-75)=262-138=96+363=42+453+85=953-84+642=231+264=396+590+851=873-(756-485)=166×(982-978)=247×2-487=219+204-256=430-370+21=11×8+488=400+252+782=404-318+742=333-16×5=559×3-410=700+523=833-(537-218)=88×4=470+276×3=436+614-553=916-(699+86)=811-36×7=47×8+380=259+220=355+(352-159)=510-252=506×6=584-145+299=160×4-487=16×2=736+(338-161)=968-756-68=384-(486-444)=41×4+374=153-30-19=196-14×3=372-(234+127)=506×3-582=191×5-377=266+85=446-428+131=36-(195-190)=213+155+452=265×(176-168)=727-104=411-(175+117)=198+36×2=327+717-43=568+17+788=345-(108+135)=392-(383-207)=250×(849-845)=381×2=58×(500-493)=235+658=372-88-73=195×3=626-413=490-148=145+526=441-189=491+(762-166)=426-(776-356)=867-(337+482)=487-231×2=56+316=408-(21+63)=參考答案645-(305+35)=305138+98=236698×3-219=1875319+176-431=64249+(822-460)=61127×5+33=168339-315=24217×3+165=816215+394=609781+313×2=1407484-32×8=228377-18-69=290120×6=720494-12×8=398412-187=225167-(834-688)=21605+93×5=1070984-(637-418)=765829+187×4=1577605+165+96=866310×5=1550378-(205+28)=1451/5+2/5=3/5589-28×5=449197-154-28=1580×(424-415)=720365-274=91715×8-609=5111405-55×7=20906-354=552838×5=4190598-(431-73)=240377+824+742=1943200×(259-255)=800242+187=4292/5+3/5=136×(401-392)=324889-14×7=791835-501-169=16524×(55-50)=120282×3-537=309951-180-613=1582/3-1/3=1/388×(189-184)=440861-605+13=269313-216+379=476402+123+420=945117×(314-307)=819472+(449-38)=883173-(94+75)=4516-13×4=464503-43+274=734891-103×6=273797-456-200=141608+118=726152×4=608234+111×2=456900-361-157=38251+140=191291×3-266=607669×2-542=796100+59=159755-(786-646)=615919-30×5=769523×2-532=514189×(359-356)=567962+(969-799)=113219×3+461=518831-260-136=435571×3-491=1222816×2-908=724324-213-85=26925-474+712=1163158×3+518=992354-101-58=195168×6=1008339-272+273=340467+(655-150)=972885-(109+671)=105506-(322+110)=74485-251-104=130780-660+73=193469+294+104=867251-(190+16)=45452-(130+293)=29148+140=288324-50×2=224573×4-721=157172×(447-440)=504665×7-66=4589569×2-921=21718+130+291=439397-44+139=49224+335+230=589111×4=444482-(909-870)=443198×7=1386165+167-225=107370-274+239=335896-70-348=47820+(494-248)=26688×9-709=83167×3=50112×4=48341×(650-641)=3069394-270+288=412219-(391-207)=35110×8=880210×4=8404/8-1/8=3/8274+(213-145)=342865-(214+297)=354168+167-204=13184×9=756944-(802-606)=748269-(357-201)=113632-(589+27)=16429-25×8=229458+361+305=1124214×2-356=7255×(395-391)=220825-(703+48)=7458-(265-243)=36446-205+216=4573/9+5/9=8/9278+62-123=217124×3-331=41346+(447-99)=694191+(385-359)=217388-296=92770×6-584=40362/5-1/5=1/5393-30×5=243876+521-415=982739-28×2=683921-(382-193)=732441+781-258=964168×3+188=692173-160=13278-229+296=345319-49×2=221117+30=147743-62×5=433151+213-137=227358+120-323=155339+63-350=52745-162×4=97544-403-43=9831+65×4=291447-(126+126)=195572+842=141431×8+252=500324-306+316=334832-434=39875+462+237=774105+146+733=984235-25×3=160495-(239+232)=24715-84-473=158338-68×2=202336-269+295=362804-625-60=119473-412=61682+848=1530194+443+577=1214448-254+162=356334-96×2=142479×(62-54)=3832206-78=128832×5-764=3396843+313-118=1038273+54=32728+309+107=444487+178×2=843148×2+339=635185+77-91=171256-135=121275×3-395=430122+291-146=267195+675=87024×(240-232)=192391-100=291671+312+445=142870×7-27=46381×5=405418+(331-247)=502234-(383-378)=229897-884=13736×(73-67)=4416863-162=701419×(699-691)=335264×2-39=89225-(586-516)=155196×6=1176281-50-223=8485-(293+158)=34131+287=418344-23×9=137451-60=391337×4-190=1158170+74=244911-257=654235+823+482=1540202-21×5=9782-(35+44)=3638×6=3828458-(278+162)=18792-462+595=92544+939+476=1459139×5-616=79975-252-528=195575+559=113451×6=306358+162+33=553361-(382-63)=4246×8=368910-25=885681-667+236=25011×(461-456)=55114×4=456121+144=265975+(516-487)=1004288-(82+85)=121145+505+341=991146×4-498=86445-111×2=223841+510=1351125×5-539=86364+23-164=2231/7+2/7=3/7112+288=400316-37-257=22138×(72-67)=690376+206×3=99478×(392-387)=390254+(199-46)=407214+72-176=110897-559=33851+178=229471-38×8=16740×7=280438-111×2=216844-320-192=33246×2+331=423444+130=574125+522=64715+133×7=946626-536+594=684131+279=410490-478=12288×9-767=1825371×2+115=85751×4=20411×6=66171×(359-354)=855881+(654-10)=1525208-33×3=109958+656+844=245839×3=117341-(147-39)=233640-402+988=122671+159×2=389394-(338-229)=28557×(155-147)=456400-115×3=55415-(167+238)=10266+268=534451-(87-81)=445176×2=352368×4-255=1217374-(389-354)=33962+129+347=538846+920+881=2647918+861+276=2055489-124×3=117999+930-424=1505798+399+368=1565666-(97+281)=288604-201-201=202614-427+831=1018952-194-627=131128+140×6=96868+105+228=401770×5-497=3353610-119×2=372108+(341-163)=28611+560-134=437915×(76-71)=4575442-338+70=174100×8-377=42319×5=95186+(418-411)=19336+70×7=526322+(217-135)=404803-(735-151)=219161-(251-149)=59437+53×6=75549×2=983/6-2/6=1/6235+70-216=89786-(13+445)=3283/7+4/7=1138×(433-429)=552893-711=182937+71×4=1221753-53×3=594758+(444-138)=1064624×(370-362)=4992293+109×3=62047+264×3=839269-176=93891+(241-30)=1102325+(295-253)=367454+372-461=36544+31=75890+(734-400)=1224316×(893-887)=1896552+194+76=822274-(52+139)=83760-205×3=145766+623-663=726110-65-16=2998×8-354=430447+(146-69)=524402-(432-216)=186936+306+378=1620426-79-334=13368×2=736484+(436-186)=734905-(504+289)=112287+61-221=127913-(341+484)=88320-85=235847-26×9=613483-29-28=42627×(497-490)=189482-306-171=5128×(490-484)=768553-296+904=1161271-21+68=31863+52×6=375455+851-464=842305-29×5=160115-24=91327-17×8=191992-(765+95)=132968-(660-91)=399564-(930-530)=164352+114×8=1264773×7=5411714+524+571=1809406-287=119917×2=1834295×4-582=598122-(217-169)=74886+(795-593)=1088988-652-334=2811+949=1760463-149×3=1688×3+264=528159-80+248=327925-142=783974-192-667=115476-51=425102×7=71440+188×5=980456-(416-241)=281192-(148-26)=7010+96×5=49088×4-227=125738-88-300=350288+166+428=882904-405-377=122116×5=580956+381=1337995-503-131=361558-52-327=179230+234-321=143182×6=1092293-42-161=90828-83×5=413235+240=475336+393+676=1405639+(460-216)=883372+127=499206+49-130=125334-133=201794-329+231=696120+186-279=27491-128=3633/4-1/4=2/4333-(102+39)=192359-33-136=19030×(357-350)=210409×2-258=56058×9-508=14208-147-28=33873-739=134104-(41+11)=52336-324+388=400147-70-75=2191+(447-361)=277966-639+814=1141124+227-223=128234×(143-138)=1170527+412=93919+184-129=74314-41×2=23284+(770-485)=369222×6-774=558970-(289+309)=37283×4+160=492641+123×5=12562/4-1/4=1/418+373-316=75438-(244+135)=59282×4=1128956+957-100=1813644-(912-625)=357912-818+458=552945×4=3780233+416=649173×3-476=43968+509-116=1361326×(490-481)=2934199+122×6=931365+47+515=927480-(347+68)=65422-(341-309)=390233×2+686=1152543-236×2=71144×(258-254)=576316+58=374863-235+514=1142894+65-791=16874+365+90=529462-(120+312)=30675-378-272=25533+369-870=32976-581-285=110723×8-861=4923627-167+171=631855-213-108=534338×2=676948+209-934=223500-(345-123)=278873-51×9=414316+(197-25)=48815+768-355=428774+(709-300)=1183991-876=115469-173×2=123446-416=30565-(987-631)=209177+262-394=45152+(146-65)=233416+602+975=1993792-552+637=877453-126×2=20173×8=584355-(380-215)=190301+421-321=401482-110=372102-48+295=349140×(91-85)=840476×6-228=2628705+267-782=190414-82×3=16853+107+345=505299+(466-254)=511271×2-90=452720-(698-373)=395207×7-636=813111+73-175=9637+264-248=653709-(985-564)=288173-28+18=163579×5-863=2032442-41×2=360302-266+374=410127+103=230480-(146+170)=164292+(379-101)=570316-171+882=102746+233=279227-(349-213)=91244-(362-196)=78388-144-166=78233×(400-397)=699315-41×4=15114×5+705=775536-(318+92)=126112-27=853/5-1/5=2/5677×(781-778)=2031995×(168-160)=7960648-438+530=740918-193+986=1711232-41=191420-(363-180)=237330×2+34=694230×9=2070140+194+283=617206×4-159=665466-45×8=106451-(84+126)=241222+151=373601×5=3005452+(987-288)=115172+219+470=76165×8-257=263474-(54+15)=405259×2+371=889291-270=21881-39×8=569270+(216-145)=341981-(976-694)=699204-(468-392)=128709+80+217=1006836×7-274=5578614×(815-806)=5526996+708=170483×4=332432-200=232273+222-139=356638+274×3=1460117-88=29583-(116+138)=32949+(289-184)=154508×4=2032912-(483-83)=512191-67+28=1521/7+5/7=6/7108-(251-152)=9117+596+597=1310373-254=119645×7=4515347-(144+91)=112157+184+480=821150-(446-432)=136246+129=375115+236-79=272471-53=418100-18=82401+239=64027×5+160=295409-207-98=104447-425+491=513852+(570-361)=1061449×(810-807)=1347719-11×4=67568+(494-256)=306249+87=336103×8-596=22837+(729-498)=268475-(12+348)=11599-16×6=3526-(264-145)=407299+34+635=968311-(459-228)=80968-(532+280)=156868-(819-808)=857239-71+715=883295×3+460=1345210+(388-320)=27825+180+700=905304+56+270=6303/5+2/5=127×8-67=149284-140-38=106456-164-56=236230+(234-187)=27763+281=344472-280-51=141530+330+487=1347263-212=51218×4=87294×2+167=355380+259+181=820560-(159+179)=222921-(256+146)=519757+609+548=1914276-259=17434+(436-228)=642127×(99-96)=38137+92=12991×(42-33)=819944-58+830=1716656-(840-538)=354168×(278-274)=672531-146=385513+(870-78)=1305472×(309-301)=377668+278-224=122120-94+114=140130×2+134=394344-(250-107)=20172×(391-383)=576897+345-260=982420-(448-185)=157759-262×2=235872+555-304=1123513-206-306=1184+170-88=26661×6=36669+221=290400-(116+138)=146872-211×4=281/8+3/8=4/8168+(933-328)=773280-220=60996-428-12=556180×(315-311)=720585×6=3510182+684=86681×4=324127+120×7=967273×2=546489-(153+44)=292333+(281-193)=421235+262-28=469271-(67+138)=66268-91-150=27498-(243+126)=129402-(355+23)=241/7+4/7=5/7431-(497-173)=107282+192+32=506760-612=148620+942-776=786724×4-131=2765423+16+548=987234+423+301=958514-282=23244×4=176161×4+219=863887-273=61435+394-339=9053+(404-351)=106741-423+721=1039132-56-42=34412-(246+153)=13767-(623+117)=27473+(278-170)=581786×5=3930765×6-351=4239474-179×2=11646×(419-411)=368409+45×8=769128+52-137=43458-90+127=495855-221-334=30086+198=284169×5=845102×(45-37)=81624+(321-173)=17211×7+119=196148×4-364=228195×3-77=508897-665+13=245398+(619-535)=482743×(72-63)=6687701-312=389211-52-148=113/7-1/7=2/7375-336+368=407157×5+375=1160408-90-286=32907×(541-533)=7256637×(745-739)=3822279+(800-733)=346335-293+148=19098×6=588177+(837-188)=826367+29×5=512633-187×3=72171+191=362580-158=422389+75=464167-72×2=23329+134=463309-(665-440)=84458+295=753880+852-604=1128111+(222-200)=133204-37×2=130977-39×2=899365+988=1353411-153+617=87575+386+339=800324-211=11354×7-208=170267-26×9=3345×7-208=10769+379×2=8273/6+2/6=5/6374×(902-896)=2244753+348-480=621464+535-695=304217-(79+23)=115526×(636-629)=3682144×8-492=660915×8=732018×5+117=207644×5=3220927-(939-619)=60753×(844-841)=159919-36=883594+671-439=8266/9+3/9=1575×(68-62)=3450867+(645-91)=1421