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766-311×2=131+373+166=228×9-13=596+397-99=333-72=54×(358-350)=585-85×5=439-316-32=370-319=276+(354-86)=319-(55+232)=324×9-296=253-(73-41)=803-234+23=399-279+39=322+64=789-344-55=271+153-263=197+200-234=180×4-470=324-150=438-61×6=5/8-1/8=940+48×9=353-(90-27)=340+74×4=115+71=706-117-469=747-(690-164)=429×9=305×2-158=904+189-560=847+287-380=963-(272+196)=87+98×4=172+(672-214)=320×(434-431)=106×2=432-86×4=785+922-765=318×(847-843)=154×5-110=470-295=242+95-222=476+48×8=666×6-826=100×(29-22)=852-80+58=613-(974-805)=200×5-918=482-263-53=23+(455-282)=512-21×9=106×8-76=132+27-159=468-(228-39)=792×2-49=940-48×8=436-160-119=327-(80+141)=230-(72+32)=323-(386-81)=932-368×2=62+466+108=200-80+23=887-47×5=144+612=356+223=4/8-2/8=241+64×2=783-243-256=752+(818-653)=191+346=374×(175-169)=777+191+15=947-389=282+284+279=102×(777-771)=137+491=853-191×4=90+61+36=906×7=885-785+856=954×(975-970)=420+78=596×(396-392)=15+242+465=953-522=431+909=598×(188-182)=160×6=929-17×7=452+576+101=235+83=871-538-317=218×2-124=385-170-96=404-(463-342)=747-251-254=476+(379-181)=142×5-707=248-34×2=465-138×2=78×3+432=11+248-213=758×6-73=454-52×7=646+264×2=360-254=670-80-198=278×3-43=482-149=54×(359-356)=53×8+228=325-124×2=962-797-23=686+281=350-(403-229)=178×5=961-(639+80)=149+23×9=705×3=418+(477-289)=454+131-451=557×7=399+949+876=173×5=611+228-596=104+288=652-(475+115)=280-(398-150)=62×5-190=3/5-1/5=377-182×2=369-165-107=731-490+406=585-(194+179)=454+(248-171)=248×4=479×(296-293)=268+185-270=157-63+184=167+269=552+(894-728)=322+307=283+381=124+718=739-474-156=36×(262-257)=455-86=405-404+73=265×2-492=423×2+354=140×7=945-663=893+(767-730)=51×9+674=287×(103-97)=53+135×2=125+393+48=688-161-131=819+491+284=3/5-2/5=990-755+505=750-99=718+954-459=749-117+863=210×9-917=140+305-261=799-421=2/6-1/6=25×(312-307)=166+(122-24)=609+564+327=59×(350-347)=2/8+3/8=848×(398-389)=466-(341-212)=465-34×2=340-210-94=128+(226-178)=162×(302-298)=370-(449-168)=263×2=442-(718-287)=135×2+433=5/10+3/10=230×(401-398)=139-16×6=155+390+470=120×(297-292)=159-80+146=220-(320-187)=164×2=630×5=22×(92-88)=728-(359-312)=72+77×3=256-12×9=741-75×8=205+169=499-215-259=754-(142+284)=353-(295-225)=923×(334-328)=299+379×2=371+(884-727)=440-(73+307)=176+58=400×2=457+(110-98)=467-357=872+(602-246)=44×6=929-(958-895)=65×(53-45)=406×2+158=230+75×4=452×2=247-237+334=908×8=627-198-37=6/9-2/9=527+(416-156)=255+44-63=59+(445-116)=435-42×4=302-111-17=293-(25+184)=844-472-369=42×(273-264)=678+201+75=106×(156-147)=643×(710-701)=860-(400+126)=428-162=332+125-38=317-255=84×(140-137)=503+111+307=390-(191+143)=113×2=809-257×2=834-468=834-(524-233)=52+67=266+(407-395)=168+396-394=320×2+294=144×5-146=659+294=780-(782-357)=143×9=364+(450-414)=513×7=494-24=113-(327-254)=572+(233-205)=217+36×9=859+749=37×5=377-154-214=826-233-590=870-(826-558)=791×2-895=211+63+568=1/8+5/8=51×(433-424)=697×(209-200)=214+234-333=23+477+209=127+670+688=917×(889-886)=539+134+147=552+902+793=280+(956-289)=448-(482-162)=203-(122+48)=469+458-409=581-(612-218)=165+814=27+152=207+179-68=64×5+720=870+(688-156)=849-235-263=433×2=313-(367-307)=110+(492-144)=419+78-221=355-217+288=102-(486-449)=314+679-367=727+(995-696)=741×2-452=118+40=156+(936-142)=382-203-43=412+52-158=539+(485-296)=531+(509-65)=726-356×2=346-154+269=833-124=630+565-114=536-(296-118)=347×2=218×5-388=853×4-355=855×9-251=184-28×4=758-141-219=455+794=979+(577-23)=760-335=386-(496-315)=70×7+82=740+93+28=831-290=691+248×2=100+544=491×2-95=450-363+375=55×3=728-214+560=176×5-544=946+90+101=271×(106-103)=520-(200+32)=371-(247+90)=311-174+317=630-130+758=831+543+868=411-383+168=623×3-208=67×2+15=60×9+25=857×3-597=1/8+6/8=108×9=733-55×6=497-(139+286)=101+(387-352)=444+214=393-69×4=962-779=808-140-655=154×5+570=259×(528-525)=529+18+150=629-504+260=2/5+3/5=217+19×7=130+223=68×7=623-332=15+278-206=595-480+975=277-177=387-235=170+(393-107)=129-52+246=256-(599-380)=899-519+917=196+67=902-517+395=396-114-16=928-219=388-359=227-118=413-(70+216)=418+100+818=985-93×3=358-(187+23)=140-105=200×(177-174)=406+609=399-188-85=743-347+791=905×9-213=5/10-4/10=95×6-442=907-(130+534)=855+744=449-186=451+(350-152)=129+246=449-185×2=290+44×3=521-254-11=494-72-166=296-58×2=180+231=287+191=754-701=124+763+879=706+88+37=368-32×4=393-58×5=697-(261-257)=330+(827-318)=339×2=2/4-1/4=854-331-433=118×(270-263)=418+(152-38)=951-342+25=958-(20+239)=523+196+265=34+86-88=150+(465-432)=432+609-330=142+221-16=32+633+273=274-(131-35)=212+(414-180)=919-(99-59)=320-202+372=57×(297-289)=410-(16+379)=823-(89+295)=909-(292+505)=339+60×4=761×7-512=740-470+874=344-(11+229)=55×3+803=19+(430-236)=115×4-284=963-855=516×8-780=669-(751-201)=669-536-74=250×5-634=690-141-250=362+450+75=580-383+155=79+350=844-(580+199)=373-139+918=505-342+116=523+494-228=674-(75+132)=212+243×4=377-(206+95)=126+(800-636)=966×2=175+523=508+350×2=649+124×2=997+245+739=340+100+629=861-(109+162)=709-127-430=587-233=390-(378-45)=35+(902-878)=636+924+530=5/8-2/8=338+62-88=381+328=435+102+719=119+(717-109)=236+(736-310)=261+182=323-(131-21)=760-646+571=376×(241-237)=175×(230-227)=222+(481-296)=424-66×4=182+172=187×(466-462)=332×(298-295)=27×4=84×2+177=37+(483-282)=830-381×2=433-223+323=356+157+685=372+(406-278)=49+70=799×3=654-59-57=317-247+47=193×5-185=131×7=478-281-58=127+88×9=255+(560-67)=600-181×3=573+(987-718)=487-125×2=346-102+12=1/5+3/5=115×2-165=145×3=369-92-41=678-(582-580)=599×4=406-76=279-110-38=33×3+162=208-(99+23)=607+393-463=371+663-769=468-(20+44)=399-194-10=584-(124-72)=2/8-1/8=609-547+462=962-772=45×7-86=305×3-670=857-(992-799)=822×(917-908)=294+75×4=740-22×6=319×2+10=353-(447-234)=773-407-306=460-196=194×5-392=186-126=143×(91-86)=347-137-93=111×4+53=224-173=96×(104-101)=449-(345+39)=306×(859-854)=906-62×9=470×2+377=270-132+127=205-(236-38)=879-(65+567)=11×7=411-239=366-93=127+925+590=264×2+137=108+(288-82)=656-151=474+67×3=309-40+223=201+246=356-32×6=78×3=150+(712-117)=814+422-184=481+668-701=199+(234-128)=273×2+595=187+896=949-75×3=197-(605-529)=224+248=323-(393-109)=340-62=957+229-878=365+426+983=4/8+2/8=288+145+256=63×(128-120)=889-(449+88)=661+256-221=33×2=994-73=607×4=517-(424-90)=438-185-169=249-(315-81)=842+875+467=396-43×4=266-196+206=406×2-586=416-222+139=66+136=376-304+289=95+63=138+125-234=428+51-365=28×3+365=862×(895-889)=826-182×2=184+195=352+(207-74)=435-110+90=142+91-212=233×5-761=923-189+225=78×5=564-(10+302)=799-(480+215)=118+384×2=333×5=834+711-861=68-49+289=225+266+503=504+421+14=285-(477-475)=348-(97+137)=212-26×6=886-(68+114)=617×8-567=18×(497-492)=250+943-457=706+(727-283)=455-24×9=56-(79-31)=288+(203-37)=3/7-2/7=241-(479-406)=585×4=788+256+70=417-(505-472)=286×3=137×5=381-163-49=300+403=955-(455+134)=3/7+2/7=2/9+5/9=998+370+420=59+223×4=294-40-137=256-173=508-(457+46)=167-151=837-278+877=701×5=90+390=314+246-132=175×5-342=913-207×3=41×8=708-199-138=265+65×8=539×(226-219)=336-252+251=432-40×4=472-(108+138)=588×(876-869)=267-(136+18)=312+80-130=276-103×2=243-(189+42)=230-(98+93)=782-(404+304)=148+313-152=294-182+64=118×9-790=90×(205-197)=421-13=446-(122+250)=465×2-928=171+497+93=105×(489-480)=388-(341-205)=449-(231+109)=417-326+310=442-267-160=738-(834-566)=240+11+562=435×(768-759)=288-147=470+(424-278)=180+362=927-402=107×(148-143)=118×2=177+48-41=498×2-553=260+(253-116)=17+275×3=79+501+84=99×(167-158)=931-29×7=268-83×3=455-252=171×(403-398)=112-99+372=588-(217+294)=346×5-638=912+988-14=801+385-502=51×7=293-(42+144)=218+789-757=808-565=166×6=957-491-378=354+108-136=965-(143+262)=483×(115-112)=443-(130+160)=405+80=435+315+156=949×3=125-108=496×2-897=1/5+2/5=1/3+2/3=461-(215-78)=875-(582-82)=262×2-34=499-(215-53)=402-84=473-29×4=727-(291+404)=438-(318-156)=391-109-194=934×6=582-(485-81)=156×4+683=529-131×4=10+332-152=380-35+939=42×6+578=646+(956-180)=288+(494-205)=552+151-589=777×7-945=94+339-286=234+313=264+170=18×7+49=442+(244-114)=246+206=199+111=419+55+75=359+275+359=433-(211+51)=739-51×7=189×(376-371)=206-65+810=280-25=494-175-47=154-(282-194)=801-310-456=699×6-955=884×(528-521)=112×8-777=310+(908-513)=356-325+265=886+229×4=610×9=249-68-62=431-171=13×(15-12)=116×2+199=103×7-410=275-29×9=1/6+4/6=344-100×2=946+(454-269)=110×6+854=547-299=87×9=814-(32+293)=630-259+216=46+201=227-54+35=193-25×3=354-164+286=427-272+114=178×9=130+140=104×8=406+15×9=823×6-385=716+(455-320)=151+324=87+653+249=925-61+272=286-(15+66)=462-94×4=102×3=26×9+119=695-(827-642)=132×6-731=331+75+397=306+563-53=123-93+38=290-73+257=326-82=85+343-277=162+76=990+757+780=81-(376-322)=19×2=390-182-101=111+239=872-574=139×2=17×(437-429)=786-322-156=945-829=471-190×2=103+24+114=315-116-169=862-(525+228)=355-46×5=111×5+812=397-131-208=978+(957-186)=476-(183+101)=265+202-242=459-176=343-200-49=787-330-422=5/7-1/7=454-48×5=155×9=236×2-390=280-23×9=323+101×6=684+330-562=140×3-105=223-(89+103)=100+394-483=200×3=225-(442-413)=502+378+315=775×7=410-163-107=146×6-709=874+452+789=58×3+60=197×2-49=20+294-89=449×2-830=81+362+466=577×(639-635)=133-(31+34)=283-190-33=136+121+158=448-82-209=399-(101+228)=95-39=587+243×4=716-78=105+230+141=378-93×3=566+863=10×2=727-292-370=456+37+304=229-(431-340)=251+102=98-31+238=962-143×3=427+68-446=232+313+569=506+663-189=560+205+506=822-(856-404)=677+(886-101)=268-(238+20)=384×4-816=62×8+380=309×(292-289)=585×6-117=263-(609-410)=參考答案766-311×2=144131+373+166=670228×9-13=2039596+397-99=894333-72=26154×(358-350)=432585-85×5=160439-316-32=91370-319=51276+(354-86)=544319-(55+232)=32324×9-296=2620253-(73-41)=221803-234+23=592399-279+39=159322+64=386789-344-55=390271+153-263=161197+200-234=163180×4-470=250324-150=174438-61×6=725/8-1/8=4/8940+48×9=1372353-(90-27)=290340+74×4=636115+71=186706-117-469=120747-(690-164)=221429×9=3861305×2-158=452904+189-560=533847+287-380=754963-(272+196)=49587+98×4=479172+(672-214)=630320×(434-431)=960106×2=212432-86×4=88785+922-765=942318×(847-843)=1272154×5-110=660470-295=175242+95-222=115476+48×8=860666×6-826=3170100×(29-22)=700852-80+58=830613-(974-805)=444200×5-918=82482-263-53=16623+(455-282)=196512-21×9=323106×8-76=772132+27-159=0468-(228-39)=279792×2-49=1535940-48×8=556436-160-119=157327-(80+141)=106230-(72+32)=126323-(386-81)=18932-368×2=19662+466+108=636200-80+23=143887-47×5=652144+612=756356+223=5794/8-2/8=2/8241+64×2=369783-243-256=284752+(818-653)=917191+346=537374×(175-169)=2244777+191+15=983947-389=558282+284+279=845102×(777-771)=612137+491=628853-191×4=8990+61+36=187906×7=6342885-785+856=956954×(975-970)=4770420+78=498596×(396-392)=238415+242+465=722953-522=431431+909=1340598×(188-182)=3588160×6=960929-17×7=810452+576+101=1129235+83=318871-538-317=16218×2-124=312385-170-96=119404-(463-342)=283747-251-254=242476+(379-181)=674142×5-707=3248-34×2=180465-138×2=18978×3+432=66611+248-213=46758×6-73=4475454-52×7=90646+264×2=1174360-254=106670-80-198=392278×3-43=791482-149=33354×(359-356)=16253×8+228=652325-124×2=77962-797-23=142686+281=967350-(403-229)=176178×5=890961-(639+80)=242149+23×9=356705×3=2115418+(477-289)=606454+131-451=134557×7=3899399+949+876=2224173×5=865611+228-596=243104+288=392652-(475+115)=62280-(398-150)=3262×5-190=1203/5-1/5=2/5377-182×2=13369-165-107=97731-490+406=647585-(194+179)=212454+(248-171)=531248×4=992479×(296-293)=1437268+185-270=183157-63+184=278167+269=436552+(894-728)=718322+307=629283+381=664124+718=842739-474-156=10936×(262-257)=180455-86=369405-404+73=74265×2-492=38423×2+354=1200140×7=980945-663=282893+(767-730)=93051×9+674=1133287×(103-97)=172253+135×2=323125+393+48=566688-161-131=396819+491+284=15943/5-2/5=1/5990-755+505=740750-99=651718+954-459=1213749-117+863=1495210×9-917=973140+305-261=184799-421=3782/6-1/6=1/625×(312-307)=125166+(122-24)=264609+564+327=150059×(350-347)=1772/8+3/8=5/8848×(398-389)=7632466-(341-212)=337465-34×2=397340-210-94=36128+(226-178)=176162×(302-298)=648370-(449-168)=89263×2=526442-(718-287)=11135×2+433=7035/10+3/10=8/10230×(401-398)=690139-16×6=43155+390+470=1015120×(297-292)=600159-80+146=225220-(320-187)=87164×2=328630×5=315022×(92-88)=88728-(359-312)=68172+77×3=303256-12×9=148741-75×8=141205+169=374499-215-259=25754-(142+284)=328353-(295-225)=283923×(334-328)=5538299+379×2=1057371+(884-727)=528440-(73+307)=60176+58=234400×2=800457+(110-98)=469467-357=110872+(602-246)=122844×6=264929-(958-895)=86665×(53-45)=520406×2+158=970230+75×4=530452×2=904247-237+334=344908×8=7264627-198-37=3926/9-2/9=4/9527+(416-156)=787255+44-63=23659+(445-116)=388435-42×4=267302-111-17=174293-(25+184)=84844-472-369=342×(273-264)=378678+201+75=954106×(156-147)=954643×(710-701)=5787860-(400+126)=334428-162=266332+125-38=419317-255=6284×(140-137)=252503+111+307=921390-(191+143)=56113×2=226809-257×2=295834-468=366834-(524-233)=54352+67=119266+(407-395)=278168+396-394=170320×2+294=934144×5-146=574659+294=953780-(782-357)=355143×9=1287364+(450-414)=400513×7=3591494-24=470113-(327-254)=40572+(233-205)=600217+36×9=541859+749=160837×5=185377-154-214=9826-233-590=3870-(826-558)=602791×2-895=687211+63+568=8421/8+5/8=6/851×(433-424)=459697×(209-200)=6273214+234-333=11523+477+209=709127+670+688=1485917×(889-886)=2751539+134+147=820552+902+793=2247280+(956-289)=947448-(482-162)=128203-(122+48)=33469+458-409=518581-(612-218)=187165+814=97927+152=179207+179-68=31864×5+720=1040870+(688-156)=1402849-235-263=351433×2=866313-(367-307)=253110+(492-144)=458419+78-221=276355-217+288=426102-(486-449)=65314+679-367=626727+(995-696)=1026741×2-452=1030118+40=158156+(936-142)=950382-203-43=136412+52-158=306539+(485-296)=728531+(509-65)=975726-356×2=14346-154+269=461833-124=709630+565-114=1081536-(296-118)=358347×2=694218×5-388=702853×4-355=3057855×9-251=7444184-28×4=72758-141-219=398455+794=1249979+(577-23)=1533760-335=425386-(496-315)=20570×7+82=572740+93+28=861831-290=541691+248×2=1187100+544=644491×2-95=887450-363+375=46255×3=165728-214+560=1074176×5-544=336946+90+101=1137271×(106-103)=813520-(200+32)=288371-(247+90)=34311-174+317=454630-130+758=1258831+543+868=2242411-383+168=196623×3-208=166167×2+15=14960×9+25=565857×3-597=19741/8+6/8=7/8108×9=972733-55×6=403497-(139+286)=72101+(387-352)=136444+214=658393-69×4=117962-779=183808-140-655=13154×5+570=1340259×(528-525)=777529+18+150=697629-504+260=3852/5+3/5=1217+19×7=350130+223=35368×7=476623-332=29115+278-206=87595-480+975=1090277-177=100387-235=152170+(393-107)=456129-52+246=323256-(599-380)=37899-519+917=1297196+67=263902-517+395=780396-114-16=266928-219=709388-359=29227-118=109413-(70+216)=127418+100+818=1336985-93×3=706358-(187+23)=148140-105=35200×(177-174)=600406+609=1015399-188-85=126743-347+791=1187905×9-213=79325/10-4/10=1/1095×6-442=128907-(130+534)=243855+744=1599449-186=263451+(350-152)=649129+246=375449-185×2=79290+44×3=422521-254-11=256494-72-166=256296-58×2=180180+231=411287+191=478754-701=53124+763+879=1766706+88+37=831368-32×4=240393-58×5=103697-(261-257)=693330+(827-318)=839339×2=6782/4-1/4=1/4854-331-433=90118×(270-263)=826418+(152-38)=532951-342+25=634958-(20+239)=699523+196+265=98434+86-88=32150+(465-432)=183432+609-330=711142+221-16=34732+633+273=938274-(131-35)=178212+(414-180)=446919-(99-59)=879320-202+372=49057×(297-289)=456410-(16+379)=15823-(89+295)=439909-(292+505)=112339+60×4=579761×7-512=4815740-470+874=1144344-(11+229)=10455×3+803=96819+(430-236)=213115×4-284=176963-855=108516×8-780=3348669-(751-201)=119669-536-74=59250×5-634=616690-141-250=299362+450+75=887580-383+155=35279+350=429844-(580+199)=65373-139+918=1152505-342+116=279523+494-228=789674-(75+132)=467212+243×4=1184377-(206+95)=76126+(800-636)=290966×2=1932175+523=698508+350×2=1208649+124×2=897997+245+739=1981340+100+629=1069861-(109+162)=590709-127-430=152587-233=354390-(378-45)=5735+(902-878)=59636+924+530=20905/8-2/8=3/8338+62-88=312381+328=709435+102+719=1256119+(717-109)=727236+(736-310)=662261+182=443323-(131-21)=213760-646+571=685376×(241-237)=1504175×(230-227)=525222+(481-296)=407424-66×4=160182+172=354187×(466-462)=748332×(298-295)=99627×4=10884×2+177=34537+(483-282)=238830-381×2=68433-223+323=533356+157+685=1198372+(406-278)=50049+70=119799×3=2397654-59-57=538317-247+47=117193×5-185=780131×7=917478-281-58=139127+88×9=919255+(560-67)=748600-181×3=57573+(987-718)=842487-125×2=237346-102+12=2561/5+3/5=4/5115×2-165=65145×3=435369-92-41=236678-(582-580)=676599×4=2396406-76=330279-110-38=13133×3+162=261208-(99+23)=86607+393-463=537371+663-769=265468-(20+44)=404399-194-10=195584-(124-72)=5322/8-1/8=1/8609-547+462=524962-772=19045×7-86=229305×3-670=245857-(992-799)=664822×(917-908)=7398294+75×4=594740-22×6=608319×2+10=648353-(447-234)=140773-407-306=60460-196=264194×5-392=578186-126=60143×(91-86)=715347-137-93=117111×4+53=497224-173=5196×(104-101)=288449-(345+39)=65306×(859-854)=1530906-62×9=348470×2+377=1317270-132+127=265205-(236-38)=7879-(65+567)=24711×7=77411-239=172366-93=273127+925+590=1642264×2+137=665108+(288-82)=314656-151=505474+67×3=675309-40+223=492201+246=447356-32×6=16478×3=234150+(712-117)=745814+422-184=1052481+668-701=448199+(234-128)=305273×2+595=1141187+896=1083949-75×3=724197-(605-529)=121224+248=472323-(393-109)=39340-62=278957+229-878=308365+426+983=17744/8+2/8=6/8288+145+256=68963×(128-120)=504889-(449+88)=352661+256-221=69633×2=66994-73=921607×4=2428517-(424-90)=183438-185-169=84249-(315-81)=15842+875+467=2184396-43×4=224266-196+206=276406×2-586=226416-222+139=33366+136=202376-304+289=36195+63=158138+125-234=29428+51-365=11428×3+365=449862×(895-889)=5172826-182×2=462184+195=379352+(207-74)=485435-110+90=415142+91-212=21233×5-761=404923-189+225=95978×5=390564-(10+302)=252799-(480+215)=104118+384×2=886333×5=1665834+711-861=68468-49+289=308225+266+503=994504+421+14=939285-(477-475)=283348-(97+137)=114212-26×6=56886-(68+114)=704617×8-567=436918×(497-492)=90250+943-457=736706+(727-283)=1150455-24×9=23956-(79-31)=8288+(203-37)=4543/7-2/7=1/7241-(479-406)=168585×4=2340788+256+70=1114417-(505-472)=384286×3=858137×5=685381-163-49=169300+403=703955-(455+134)=3663/7+2/7=5/72/9+5/9=7/9998+370+420=178859+223×4=951294-40-137=117256-173=83508-(457+46)=5167-151=16837-278+877=1436701×5=350590+390=480314+246-132=428175×5-342=533913-207×3=29241×8=328708-199-138=371265+65×8=785539×(226-219)=3773336-252+251=335432-40×4=272472-(108+138)=226588×(876-869)=4116267-(136+18)=113312+80-130=262276-103×2=70243-(189+42)=12230-(98+93)=39782-(404+304)=74148+313-152=309294-182+64=176118×9-790=27290×(205-197)=720421-13=408446-(122+250)=74465×2-928=2171+497+93=761105×(489-480)=945388-(341-205)=252449-(231+109)=109417-326+310=401442-267-160=15738-(834-566)=470240+11+562=813435×(768-759)=3915288-147=141470+(424-278)=616180+362=542927-402=525107×(148-143)=535118×2=236177+48-41=184498×2-553=443260+(253-116)=39717+275×3=84279+501+84=66499×(167-158)=891931-29×7=728268-83×3=19455-252=203171×(403-398)=855112-99+372=385588-(217+294)=77346×5-638=1092912+988-14=1886801+385-502=68451×7=357293-(42+144)=107218+789-757=250808-565=243166×6=996957-491-378=88354+108-136=326965-(143+262)=560483×(115-112)=1449443-(130+160)=153405+80=485435+315+156=906949×3=2847125-108=17496×2-897=951/5+2/5=3/51/3+2/3=1461-(215-78)=324875-(582-82)=375262×2-34=490499-(215-53)=337402-