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892×6=239-30×7=356-102-245=499-194×2=928-300-45=336+(276-96)=85×9+423=117×6-118=26×(488-482)=367-250+654=272+(411-402)=493+(252-177)=463-128-241=483-131+35=55×9=464×2-692=125×7=4/8+3/8=372+802-129=163+22-118=71×5-96=364×2=226+53+707=780+(929-787)=499-(361+116)=248-(482-320)=128+(887-70)=44×8=427+410+16=118+59×4=886-(349+188)=432+124+86=486-93-358=79+43×9=336×7-557=247+240-326=800-183×3=292×3-489=459+326=568×3-25=163-37+288=3/10-2/10=236-(39+27)=259-225=548+697=190-(60+100)=437-310-22=182×2=476-(479-155)=99+64=168-48×2=97×8-362=408-264+160=399×2=169×4-62=803-101=232+(162-142)=172+158-71=401+377+46=604×5-537=307×(58-55)=104+55=463-356-20=34×4-56=581-45=806-(402+189)=499+362+697=856-436=315+75×5=282+205=143×2=149×(228-220)=605×4-718=113+(342-329)=809-92×6=395-(704-603)=113×7+60=974×8=337+333-488=625×3=92×4+79=696-87-263=100×2+31=742+637=221+88=727-103+467=95×7=254-(436-414)=342+597+20=912+(628-211)=905×7-771=980-138-161=84+(132-11)=127+494=903×5=168+386=581-137+400=535-(39+401)=757+367-789=832×(206-201)=348-32-62=941-123-108=28×(69-66)=335×5=384+97×8=10×(199-194)=606+141=254×3-366=165+169=592×2-738=518-32=957×(526-520)=656-418=922+212-293=259×2=151+30=454-84+78=719+(235-39)=62-(207-203)=204+36+734=913+374=35+206-102=462-101=1/6+3/6=729×8-434=406-67×3=726×7=779-464-181=216+149=158-(331-231)=69+405-62=253-82=781-83-562=376-210-20=478×(30-22)=190+(524-90)=459-(496-68)=141+385+192=696+411-582=160+160=590×(899-896)=728+151+381=3/5+2/5=346+62-102=900-832=635×9=179+309+98=77+184+48=960-663=686×8-615=131-66+422=757+815-272=767-(908-545)=702-618+397=348+32+210=97×(66-59)=80+64×3=240-177=296×3-42=118×7=167×5-219=435-120×3=490-(64+422)=73×9+12=114×2+107=906-52×3=644-(940-559)=488×(674-668)=971+448-617=470+888+665=288-29×4=382×2=885-99-158=902+93×2=490×8-804=651-28×5=134+282-204=173×3-425=291-252=288×7=471-(332-125)=412-(137+208)=462-(219-167)=827-(83+480)=321-260+401=878+639+572=175×5-47=349+422+52=401-324+164=184×3-39=773-12×7=109-(204-169)=513+796-583=649-379+351=520-28=4/8-3/8=183+175=996-384+405=914+71×9=1/10+7/10=239×2-193=658-102=323-93+201=978-397=288+(312-204)=30×(271-262)=500×8=840-489-320=569-(871-727)=361-62×5=748×(80-77)=444-(159+112)=307+(484-247)=323+146+746=498-283-205=887+655-871=61×5=199×8-311=4/9-2/9=972-(926-46)=947-(571+84)=830-(437+337)=400×(109-100)=260×3+892=669×8=274-(261-203)=158×3=194+269-135=893+20-589=2/4-1/4=296-(335-296)=218+161-267=62×9-216=440-79-57=353+175=6/10+4/10=102×5=635-257+980=115×(374-366)=978-(673-647)=16×9-30=469-12-183=414+107+140=574-(842-784)=282×2=635+(970-45)=362-(95+123)=879-551-43=3/7-2/7=34×2+822=467-(365+44)=361×9=62×2+400=487+737-997=32×3+953=76+324=232×4=340-89-19=35+326×2=803-228×2=424-220=631×5-257=231+42×3=129-56+386=224+(910-792)=452+652-724=497-(224+67)=889×3-503=664-612=406-252+85=2/6-1/6=347-(158+188)=179-95+247=4/8+2/8=805-601=738-(741-149)=13+(231-57)=83+341=626-(239+86)=292-(464-377)=640-303×2=45+98×6=499+99=12+93+807=353×7-354=626-89-465=904×4=198×3-374=224+147-303=737-(804-108)=434+787-109=200-77+890=429-305=143×(46-43)=592-(560-149)=664-152-387=324-58-84=39+220=346-150+680=970-(371+497)=87+304-302=513-52=1/8+3/8=19×(399-395)=4/6+2/6=725×(258-250)=182-(897-823)=609+868-828=507×9-904=155+242-202=404-243+647=571×2-124=13+460+27=355+275=464-(462-459)=470-291+122=912×9=483+501=140×5-423=60-10=136×2-38=68×3+390=139-14×2=401-196×2=866-209+912=615-62-95=480-(165+309)=484-51=690+567+105=436+972=256×3=56×(19-12)=889-(118+733)=500-(123+300)=142+193×2=18×(283-276)=174×6=448+539-919=154+309=154+327=523+(807-439)=844-(655-532)=180+314-75=189-45+232=309+137=711×(625-620)=43+243=388-(419-251)=119×4+158=391-(541-352)=42+155=542×2-646=475-60=116+301-256=322+(833-752)=141+80+170=879-107=447+88×5=103+288=382+414+988=600-(773-493)=31+(390-73)=97+231=596-558-23=923-(880-203)=903-88=165×5-70=412-116×3=182+10-123=145+(879-768)=106+100×6=557+121-537=922-563-275=150-(63+74)=43×4+193=64+135+402=12+81×6=441-49=2/7-1/7=186+71×9=171×5-780=356-195-95=859×5-276=256-54×2=351-151×2=735×9=277-(366-120)=415-55×6=344-27+110=419-(297+53)=231+(420-45)=871-846+187=297-(328-271)=289-13+119=91×4=339-(240-67)=23×(443-434)=77×7+509=718-82×8=440+(246-139)=733-(192+174)=741+(945-737)=446×9-659=603×3-227=211-(327-288)=898-204=543-194=477+(438-76)=866+597-462=49+(485-330)=473-461=557+90+66=981×7=54×3+369=272+116=401-216+157=838×(909-902)=935-325+811=571-163-366=51×(591-583)=859+514-687=368+627=431+(496-89)=378+851=485×2=822+(633-83)=783+72×4=556+330-95=3/7+2/7=852-12×6=832-(781-363)=574+692+117=83+227-171=663-529+755=482-151×3=706-541-120=406-251=304+194=912-(877-137)=739+540+547=144×2=88+270=159-41=104+220=263+495×2=463×2-358=245+173-311=591×2-407=404-147=456-(170+87)=898-156×3=202+205=317×2+585=56+(745-611)=59+69=285-62=325-14×9=575-(183+38)=754-440=2/3-1/3=134+(999-478)=473×(986-980)=409+(239-67)=892+(343-341)=156+137=49×3+75=332-120=282×(526-523)=459-204×2=818×9-630=783-(814-138)=715+57-578=349+398+960=597-(486-327)=435-(206+60)=34×8+257=477+171+350=836-76×4=977×3=55×3=482-(211+158)=465+(260-190)=326+109=840-123×3=419-34=327-38-153=748-614+101=302×(149-146)=342×9=91-14+203=358+451=231×4-268=518-(897-455)=93×7+275=57×(404-395)=408-154=356-(55-32)=83×7+635=82+386=817×(994-985)=786-148=761+169+671=900+444+911=298×3=812+930-473=159+(840-180)=333+112-239=118+280+240=329×2-578=735-131-90=758+(604-543)=226+59+87=355-327=171×2+534=396-309=158+224+987=1/7+2/7=856+339-476=834+822-327=474-113=460-(321+111)=789-(891-832)=120×(415-412)=725+675=228-(137-78)=312+70=6/10+2/10=439×3=307×(444-441)=216-84=235×9-371=314+738+916=906-(276-271)=252-(98+101)=229-64-79=736-38×6=167+247-133=113×(27-19)=395+130+110=842-313×2=714-24-73=762+626-959=823-27×4=313-170-74=187+91+374=104×(482-477)=541-(444+69)=482-357=610+462+908=989-368-506=232-(48+155)=265+(844-22)=486+(140-62)=389×2-24=555+82×7=756×(861-856)=433-47×6=268+44-77=361-149=898-(335+140)=101+38×6=485+386-342=50-(328-284)=654-539+661=3/5-1/5=282+233+791=675×7=13-(209-207)=452+11-357=214×4-502=769+33+53=492-373+203=77×6=414+(267-123)=386-(419-82)=898+16×2=96+(236-222)=476-12-117=157+49-159=392-259+53=315-252=67-(473-459)=14×6=178-40-21=56+252-292=154+191=120×8=800+(247-128)=743-(280+373)=360-168+705=445+132+75=818+653+55=468-59×3=400-(70+188)=333-123×2=249-(43+89)=161-50+259=683×5-912=87×6=632-44×4=116+38×4=246-219+84=194×(218-214)=264+16+101=11×8+47=427-40-130=126+47×9=940-295×3=218×(243-240)=350-75×3=850-(836-560)=732-50+995=91×4+166=275-(261-195)=164+(328-75)=66×(148-139)=305-56×4=312×(908-903)=86+397=341+71-139=303-56=31×(276-267)=56×5=300+(593-462)=3/8-2/8=462-330+344=287-79×2=324-(105+27)=373-360+231=282-(174-171)=341+422=901+804+780=546×3-748=405+116×3=145+(140-86)=341-140×2=140×5=336-137×2=236-(94-31)=224×(332-329)=491+227+127=507-19×8=190×3=161-(94+22)=865×5=230+99×2=505+262=28+339-21=193×(66-63)=104+190×3=743-702=173+57=500-402+176=432+(376-143)=445-30×2=310-181-110=976-(428+509)=492-(150+87)=709×(474-468)=379-245=820+(478-203)=83×9-306=188-(165-13)=108×(457-448)=167×4+147=494-435+912=316-(68+145)=996-113-789=676+534+399=41×(238-235)=441-188-32=91×8-610=684-505-172=154+98-43=389-(482-346)=256+(131-41)=346-128-61=472-(268+31)=211-182+184=137+125-73=590-(182+281)=457-226-128=482-377-17=13×(75-68)=385-(109+123)=385-(704-518)=237-(338-162)=311+45+960=448+165=343-29-190=898-597=154+86+518=102+(290-273)=213+(474-255)=497-139-178=987-311-629=784-(260+338)=234+433+12=88-58-27=461-(147+230)=495+137=484-23×7=88-16=977-333×2=933+613=448-(435-121)=714-709+843=522-102×4=218+249×3=313-80×2=150×5=391×(381-376)=399×(977-968)=57×5-37=389+367+898=845-(406+16)=98×5-90=599×5=198×3+785=312+133×2=693+947+326=440-349+85=22+(232-83)=297+(446-67)=428-(117+174)=599-(190+199)=223×3+130=152×(475-472)=491-(981-978)=936-270+593=915-196×2=32+153-12=71×(237-234)=736-161-65=703-232×2=962-419-333=434-72-197=351-219+59=107×(485-481)=55×7+115=937-268+881=349+782+824=423-361=611-(501-268)=452×(692-683)=485-39×9=206+278=512+256+20=368+(377-346)=247+183-351=305-285=380-75=359+135-240=30×(246-242)=245-20=893×(634-625)=108×3=50×9+170=389-(451-104)=142×5=84+399=72×8-570=344-21-282=792-457-128=351-73-146=500+(316-137)=986-(458+156)=888+(981-444)=335-58×5=375+140×5=34+543+104=710-429+38=216×2=423-(248-65)=216-60×2=349-299+35=447-37+426=292-(224-136)=107+373-77=423+969+676=939×6=294-255+35=881×(475-468)=407+30+167=210+227=241×3-638=216×3=593+(481-223)=504-465=306-(239+36)=432+238-229=443-44×4=814-249×3=401-170-30=300-108×2=109-(55+22)=463-(315+121)=423+990=20+292-74=210×3+312=383-150+218=885-247×3=102+32+147=944-623=196-47×3=171+276×3=182-(23+76)=54-54+172=864-281+33=81+242=578-35×4=736-239=835-261-88=732-465=356-(162+194)=417-(24+33)=25+(256-92)=29×(74-68)=477-122+133=319+19-123=83+(499-67)=1/6+4/6=454-13×9=395-20-132=230×4-512=385+(345-106)=486-(232+126)=397×9=256-179+766=20+108×6=43+(205-11)=65+265+395=245-137=5/9-4/9=37×(490-483)=495×9=3/4-1/4=750+(506-455)=473-31×7=682-523-35=135+976+646=307-43-14=39+47+652=772-(17+566)=440+624=239+88=782-(123+244)=881+518-762=232×2-109=133×(147-143)=212×(671-668)=564+(805-220)=278-124=792×7-746=489×(214-206)=280+(351-77)=461×7=302×3-471=211×3+807=49+539+47=695-505+402=304-(128+32)=565×(636-630)=265-253+868=參考答案892×6=5352239-30×7=29356-102-245=9499-194×2=111928-300-45=583336+(276-96)=51685×9+423=1188117×6-118=58426×(488-482)=156367-250+654=771272+(411-402)=281493+(252-177)=568463-128-241=94483-131+35=38755×9=495464×2-692=236125×7=8754/8+3/8=7/8372+802-129=1045163+22-118=6771×5-96=259364×2=728226+53+707=986780+(929-787)=922499-(361+116)=22248-(482-320)=86128+(887-70)=94544×8=352427+410+16=853118+59×4=354886-(349+188)=349432+124+86=642486-93-358=3579+43×9=466336×7-557=1795247+240-326=161800-183×3=251292×3-489=387459+326=785568×3-25=1679163-37+288=4143/10-2/10=1/10236-(39+27)=170259-225=34548+697=1245190-(60+100)=30437-310-22=105182×2=364476-(479-155)=15299+64=163168-48×2=7297×8-362=414408-264+160=304399×2=798169×4-62=614803-101=702232+(162-142)=252172+158-71=259401+377+46=824604×5-537=2483307×(58-55)=921104+55=159463-356-20=8734×4-56=80581-45=536806-(402+189)=215499+362+697=1558856-436=420315+75×5=690282+205=487143×2=286149×(228-220)=1192605×4-718=1702113+(342-329)=126809-92×6=257395-(704-603)=294113×7+60=851974×8=7792337+333-488=182625×3=187592×4+79=447696-87-263=346100×2+31=231742+637=1379221+88=309727-103+467=109195×7=665254-(436-414)=232342+597+20=959912+(628-211)=1329905×7-771=5564980-138-161=68184+(132-11)=205127+494=621903×5=4515168+386=554581-137+400=844535-(39+401)=95757+367-789=335832×(206-201)=4160348-32-62=254941-123-108=71028×(69-66)=84335×5=1675384+97×8=116010×(199-194)=50606+141=747254×3-366=396165+169=334592×2-738=446518-32=486957×(526-520)=5742656-418=238922+212-293=841259×2=518151+30=181454-84+78=448719+(235-39)=91562-(207-203)=58204+36+734=974913+374=128735+206-102=139462-101=3611/6+3/6=4/6729×8-434=5398406-67×3=205726×7=5082779-464-181=134216+149=365158-(331-231)=5869+405-62=412253-82=171781-83-562=136376-210-20=146478×(30-22)=3824190+(524-90)=624459-(496-68)=31141+385+192=718696+411-582=525160+160=320590×(899-896)=1770728+151+381=12603/5+2/5=1346+62-102=306900-832=68635×9=5715179+309+98=58677+184+48=309960-663=297686×8-615=4873131-66+422=487757+815-272=1300767-(908-545)=404702-618+397=481348+32+210=59097×(66-59)=67980+64×3=272240-177=63296×3-42=846118×7=826167×5-219=616435-120×3=75490-(64+422)=473×9+12=669114×2+107=335906-52×3=750644-(940-559)=263488×(674-668)=2928971+448-617=802470+888+665=2023288-29×4=172382×2=764885-99-158=628902+93×2=1088490×8-804=3116651-28×5=511134+282-204=212173×3-425=94291-252=39288×7=2016471-(332-125)=264412-(137+208)=67462-(219-167)=410827-(83+480)=264321-260+401=462878+639+572=2089175×5-47=828349+422+52=823401-324+164=241184×3-39=513773-12×7=689109-(204-169)=74513+796-583=726649-379+351=621520-28=4924/8-3/8=1/8183+175=358996-384+405=1017914+71×9=15531/10+7/10=8/10239×2-193=285658-102=556323-93+201=431978-397=581288+(312-204)=39630×(271-262)=270500×8=4000840-489-320=31569-(871-727)=425361-62×5=51748×(80-77)=2244444-(159+112)=173307+(484-247)=544323+146+746=1215498-283-205=10887+655-871=67161×5=305199×8-311=12814/9-2/9=2/9972-(926-46)=92947-(571+84)=292830-(437+337)=56400×(109-100)=3600260×3+892=1672669×8=5352274-(261-203)=216158×3=474194+269-135=328893+20-589=3242/4-1/4=1/4296-(335-296)=257218+161-267=11262×9-216=342440-79-57=304353+175=5286/10+4/10=1102×5=510635-257+980=1358115×(374-366)=920978-(673-647)=95216×9-30=114469-12-183=274414+107+140=661574-(842-784)=516282×2=564635+(970-45)=1560362-(95+123)=144879-551-43=2853/7-2/7=1/734×2+822=890467-(365+44)=58361×9=324962×2+400=524487+737-997=22732×3+953=104976+324=400232×4=928340-89-19=23235+326×2=687803-228×2=347424-220=204631×5-257=2898231+42×3=357129-56+386=459224+(910-792)=342452+652-724=380497-(224+67)=206889×3-503=2164664-612=52406-252+85=2392/6-1/6=1/6347-(158+188)=1179-95+247=3314/8+2/8=6/8805-601=204738-(741-149)=14613+(231-57)=18783+341=424626-(239+86)=301292-(464-377)=205640-303×2=3445+98×6=633499+99=59812+93+807=912353×7-354=2117626-89-465=72904×4=3616198×3-374=220224+147-303=68737-(804-108)=41434+787-109=1112200-77+890=1013429-305=124143×(46-43)=429592-(560-149)=181664-152-387=125324-58-84=18239+220=259346-150+680=876970-(371+497)=10287+304-302=89513-52=4611/8+3/8=4/819×(399-395)=764/6+2/6=1725×(258-250)=5800182-(897-823)=108609+868-828=649507×9-904=3659155+242-202=195404-243+647=808571×2-124=101813+460+27=500355+275=630464-(462-459)=461470-291+122=301912×9=8208483+501=984140×5-423=27760-10=50136×2-38=23468×3+390=594139-14×2=111401-196×2=9866-209+912=1569615-62-95=458480-(165+309)=6484-51=433690+567+105=1362436+972=1408256×3=76856×(19-12)=392889-(118+733)=38500-(123+300)=77142+193×2=52818×(283-276)=126174×6=1044448+539-919=68154+309=463154+327=481523+(807-439)=891844-(655-532)=721180+314-75=419189-45+232=376309+137=446711×(625-620)=355543+243=286388-(419-251)=220119×4+158=634391-(541-352)=20242+155=197542×2-646=438475-60=415116+301-256=161322+(833-752)=403141+80+170=391879-107=772447+88×5=887103+288=391382+414+988=1784600-(773-493)=32031+(390-73)=34897+231=328596-558-23=15923-(880-203)=246903-88=815165×5-70=755412-116×3=64182+10-123=69145+(879-768)=256106+100×6=706557+121-537=141922-563-275=84150-(63+74)=1343×4+193=36564+135+402=60112+81×6=498441-49=3922/7-1/7=1/7186+71×9=825171×5-780=75356-195-95=66859×5-276=4019256-54×2=148351-151×2=49735×9=6615277-(366-120)=31415-55×6=85344-27+110=427419-(297+53)=69231+(420-45)=606871-846+187=212297-(328-271)=240289-13+119=39591×4=364339-(240-67)=16623×(443-434)=20777×7+509=1048718-82×8=62440+(246-139)=547733-(192+174)=367741+(945-737)=949446×9-659=3355603×3-227=1582211-(327-288)=172898-204=694543-194=349477+(438-76)=839866+597-462=100149+(485-330)=204473-461=12557+90+66=713981×7=686754×3+369=531272+116=388401-216+157=342838×(909-902)=5866935-325+811=1421571-163-366=4251×(591-583)=408859+514-687=686368+627=995431+(496-89)=838378+851=1229485×2=970822+(633-83)=1372783+72×4=1071556+330-95=7913/7+2/7=5/7852-12×6=780832-(781-363)=414574+692+117=138383+227-171=139663-529+755=889482-151×3=29706-541-120=45406-251=155304+194=498912-(877-137)=172739+540+547=1826144×2=28888+270=358159-41=118104+220=324263+495×2=1253463×2-358=568245+173-311=107591×2-407=775404-147=257456-(170+87)=199898-156×3=430202+205=407317×2+585=121956+(745-611)=19059+69=128285-62=223325-14×9=199575-(183+38)=354754-440=3142/3-1/3=1/3134+(999-478)=655473×(986-980)=2838409+(239-67)=581892+(343-341)=894156+137=29349×3+75=222332-120=212282×(526-523)=846459-204×2=51818×9-630=6732783-(814-138)=107715+57-578=194349+398+960=1707597-(486-327)=438435-(206+60)=16934×8+257=529477+171+350=998836-76×4=532977×3=293155×3=165482-(211+158)=113465+(260-190)=535326+109=435840-123×3=471419-34=385327-38-153=136748-614+101=235302×(149-146)=906342×9=307891-14+203=280358+451=809231×4-268=656518-(897-455)=7693×7+275=92657×(404-395)=513408-154=254356-(55-32)=33383×7+635=121682+386=468817×(994-985)=7353786-148=638761+169+671=1601900+444+911=2255298×3=894812+930-473=1269159+(840-180)=819333+112-239=206118+280+240=638329×2-578=80735-131-90=514758+(604-543)=819226+59+87=372355-327=28171×2+534=876396-309=87158+224+987=13691/7+2/7=3/7856+339-476=719834+822-327=1329474-113=361460-(321+111)=28789-(891-832)=730120×(415-412)=360725+675=1400228-(137-78)=169312+70=3826/10+2/10=8/10439×3=1317307×(444-441)=921216-84=132235×9-371=1744314+738+916=1968906-(276-271)=901252-(98+101)=53229-64-79=86736-38×6=508167+247-133=281113×(27-19)=904395+130+110=635842-313×2=216714-24-73=617762+626-959=429823-27×4=715313-170-74=69187+91+374=652104×(482-477)=520541-(444+69)=28482-357=125610+462+908=1980989-368-506=115232-(48+155)=29265+(844-22)=1087486+(140-62)=564389×2-24=754555+82×7=1129756×(861-856)=3780433-47×6=151268+44-77=235361-149=212898-(335+140)=423101+38×6=329485+386-342=52950-(328-284)=6654-539+661=7763/5-1/5=2/5282+233+791=1306675×7=472513-(209-207)=11452+11-357=106214×4-502=354769+33+53=855492-373+203=32277×6=462414+(267-123)=558386-(419-82)=49898+16×2=93096+(236-222)=110476-12-117=347157+49-159=47392-259+53=186315-252=6367-(473-459)=5314×6=84178-40-21=11756+252-292=16154+191=345120×8=960800+(247-128)=919743-(280+373)=90360-168+705=897445+132+75=652818+653+55=1526468-59×3=291400-(70+188)=142333-123×2=87249-(43+89)=117161-50+259=370683×5-912=250387×6=522632-44×4=456116+38×4=268246-219+84=111194×(218-214)=776264+16+101=38111×8+47=135427-40-130=257126+47×9=549940-295×3=55218×(243-240)=654350-75×3=125850-(836-560)=574732-50+995=167791×4+166=530275-(261-195)=209164+(328-75)=41766×(148-139)=594305-56×4=81312×(908-903)=156086+397=483341+71-139=273303-56=24731×(276-267)=27956×5=280300+(593-462)=4313/8-2/8=1/8462-330+344=476287-79×2=129324-(105+27)=192373-360+231=244282-(174-171)=279341+422=763901+804+780=2485546×3-748=890405+116×3=753145+(140-86)=199341-140×2=61140×5=700336-137×2=62236-(94-31)=173224×(332-329)=672491+227+127=845507-19×8=355190×3=570161-(94+22)=45865×5=4325230+99×2=428505+262=76728+339-21=346193×(66-63)=579104+190×3=674743-702=41173+57=230500-402+176=274432+(376-143)=665445-30×2=385310-181-110=19976-(428+509)=39492-(150+87)=255709×(474-468)=4254379-245=134820+(478-203)=109583×9-306=441188-(165-13)=36108×(457-448)=972167×4+147=815494-435+912=971316-(68+145)=103996-113-789=94676+534+399=160941×(238-235)=123441-188-32=22191×8-610=118684-505-172=7154+98-43=209389-(482-346)=253256+(131-41)=346346-128-61=157472-(268+31)=173211-182+184=213137+125-73=189590-(182+281)=127457-226-128=103482-377-17=8813×(75-68)=91385-(109+123)=153385-(704-518)=199237-(338-162)=61311+45+960=1316448+165=613343-29-190=124898-597=301154+86+518=758102+(290-273)=119213+(474-255)=432497-139-178=180987-311-629=47784-(260+338)=186234+433+12=67988-58-27=3461-(147+230)=84495+137=632484-23×7=32388-16=72977-333×2=311933+613=1546448-(435-121)=134714-709+843=848522-102×4=114218+249×3=965313-80×2=153150×5=750391×(381-376)=1955399×(977-968