三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦307-283+154=668-89×5=438-139-213=173×3+454=341-322+366=224-(231-35)=88+16=645×2-888=37+(189-25)=471×2-759=85+568+572=413-38-174=813-162=36×9-151=159×(426-421)=163+71=410×6=160-(380-279)=521×(241-233)=266×(58-55)=788×4=585+630=1/7+4/7=366-231+45=481-(221+58)=275+112-230=913×(138-132)=183+310-89=536+(677-146)=491-(180-175)=602-170-219=318+113=252+225=86×6=219-41+256=285-67=296+(674-377)=414+81=773-562+346=828-154-221=151+56×9=315-174-87=90×2=471×2-934=159-24×2=75×(974-971)=723-(687+26)=347+612+341=380-217-68=216-(491-486)=95+(354-311)=422+101×4=456-63×5=373-(278-223)=104×6-444=424-(286+106)=533-137=262+(397-340)=43+227=549+483=956+921+146=411+188=959-44-735=424-179+423=81+75+570=896×5=434-63×6=333+(264-244)=796-171×2=415×9=523+838=2/10+6/10=435-291=232×3-443=770×8-212=348-26-65=440-(456-310)=80×9-377=93×(205-198)=332-78+11=386+196=193-74=237+138+254=296×(209-201)=907-277-245=79+319-185=483-250+778=597-597+257=655+990+470=23×(190-184)=724-446-249=288-(804-585)=432×(642-638)=487-(368-127)=862-(295+160)=135+66×4=997+421-189=158×(489-484)=867-726=102×4+184=437-56-102=361-158×2=776×(58-49)=55+714+42=393-215=560-240+848=537-80×3=998×(93-86)=862-(451+282)=323-145-142=348-55+109=104×8-536=112+76×7=65+(295-16)=412-91+37=867-276+549=512×3=941-(159+126)=572+567=493-391=922-(623-501)=61×2=101×(292-287)=565-54-98=825+898+305=286+(664-565)=731-(765-249)=4/6-1/6=447+811-399=5/7-1/7=488-161-59=316-(267-249)=69×8-276=362-327=852-693=574×9-81=122+278=359-162+151=189+(408-113)=232+(263-150)=77×3-210=196-111=500-(77+353)=447-10×8=488-459+370=920-(12+751)=95×(446-438)=455+593-71=452+27×7=89+639+262=4/7-3/7=348-111+355=312-140-78=139+637=175+276=881-13×6=204+10+189=384-299+277=371+18×7=319+(980-336)=107×2=972-176×4=443+(415-86)=51+176-22=466×2=297+81-265=326×3=108×(40-36)=108×9=735-215=592-183×3=126×2+459=870-(920-175)=471-86=404+32-139=572-277+362=950-(902-759)=488-(246-186)=471+(484-341)=52×(68-60)=59+216=327×2+883=276-(24+91)=385-10-189=315×2-13=996-625=65+198=462+431=746+561-264=315+177=472+380+82=762×(805-799)=107+(399-120)=451-327=153×5+439=203+(282-269)=441+(685-637)=230+219=140×(266-260)=765×6-941=155+403=487×6-740=163-94+137=870×(562-555)=475+(176-63)=420+476+25=178×(20-16)=70×7+284=532-(694-396)=106×(242-235)=545×5-683=486-(307+85)=40+97×8=789+552=859-(23+802)=52+265=495-(53+229)=898+160+614=727-99-37=934-96×7=185-70+227=38+(433-238)=909+(903-895)=375-356=204×(711-707)=410-(430-33)=142×3+772=344+261+79=271-176-25=949-(293+502)=130×(102-96)=431+(371-199)=249+200-158=33×5+929=203+115+629=359×2+39=841+347×2=264-183=617+387-242=70×9+261=219-73×2=189-67=68+662-343=236×4-372=403-(472-164)=526+368=208+106=956-(293+233)=432-348+349=144+17-15=441+43-320=157-(194-45)=105×4=3/6-2/6=444-48×8=514×5=291-(376-126)=190-28×3=4/6+2/6=784+71+23=496+72×2=674-(246+202)=445×(852-844)=677-(933-664)=897+43×4=449-(66+338)=663-116+552=356+(394-33)=93+782+685=297-105=480×4-755=203×2+250=118+225=552-317+312=455-269=255×5-782=7/10-3/10=132-(366-239)=57+504+150=838+433-837=27+310+175=117+123+41=201+(356-88)=763-103-406=331-111-177=442-24-308=953×(556-552)=228-85=4/8-3/8=118+99×5=60+(426-405)=658-217-378=279+72+508=99×9-830=349×2+169=965×7=347-(97+60)=820+209-357=80-17×4=230-59=523+278+60=17×(110-104)=878-(166+390)=481-(210+165)=481+372=238-93=63-31=631-16-39=680-256-109=287×2-150=587×8=136+283-277=989+(388-296)=248×3-669=145×3-311=431×(233-229)=620+619=215×3=206-78+174=100+84=203×3=70+962+76=935+(460-62)=913×7=132-(83-75)=2/5-1/5=734-(824-353)=760+868+970=118+82=672-415+934=176×5+735=827-(840-635)=369×(871-867)=3/8+4/8=110×3=484-13×5=473-105-297=621-112=2/9-1/9=818-(194+562)=937+185-432=557+613-477=368-178×2=603-(888-577)=498×4-467=134×4=517-(215+112)=118-49×2=443-109+166=44+349-342=810×(198-193)=476-(218+163)=77×(151-145)=378+615+332=883-461-214=264-38-107=494-(374+23)=159×6-798=435×6=291+184=150+76=355-281+86=385-344+356=386-363+224=188+202×3=27+(265-46)=236+(211-147)=369-17×2=475+473+324=132+312-45=305-51-20=11+700+279=916-99×5=413-268=335-(342-67)=463-91=81+303-103=825-727=70×(392-385)=193×3=748-450-238=346-345+69=189+500=473-13-369=106×8=174+(291-48)=424-(62+143)=224+264-264=93+126=501-188×2=458-(274+121)=107-(976-958)=133×5-258=439-(357-177)=736×3-625=453-88=502-158=117×8=464-(331-216)=561-(446-191)=137+(292-257)=253+109-129=642-67-408=200-143=243+105-238=508-324+254=431+28-84=710-216=113-(45+66)=280-46-104=268+495=81×6=189+(320-131)=377-56-172=594×3=683-618=69×5+50=849-479+595=290×(773-769)=912-153+781=86+87=725-334+886=531×6=316-307+261=242-14×8=859-53-333=259+471-93=108+138+441=612+550+236=365-102=881+346+435=379+99×9=90+124=272+107×4=43×6=126×6-364=61+(632-619)=984-238+768=286-274+242=572-(148+305)=768-119×5=460+41×4=117+166=145×5=413-205×2=334-322+132=385-37×6=969-(784+111)=186-(236-218)=629+581-694=720+(547-14)=262×(437-432)=479-210×2=299-(92-40)=202-(99+12)=113×6=205×2=153+589=384-294+247=183×(356-352)=482-276+13=840-186=323+237=634-10-305=533×3-944=634×4-79=654-141=246×4=316-283+276=105×(440-433)=895-(131+97)=124×7-215=128×5+302=366-78×2=305+848-602=90-13×2=498-(312+133)=200×3-313=92×(456-450)=954-(135-50)=73+28×7=484-93×3=246-140=436-(191+133)=325-45×5=205+63+617=67×(142-136)=472-20×2=3/8+2/8=938-443=103+374=504-448=3/6+2/6=950-(684+245)=196+173+159=121+58×2=87+105=837-(760-31)=97×(423-417)=25+437-293=264×(408-405)=409-368-32=781×7=181×(263-260)=807×(660-655)=163×5-552=501-(716-360)=393-(102+239)=788+609=331-21×2=126+767-335=234×(174-171)=818×3=437×(67-61)=667-324-218=420-65-205=176+(335-186)=298+231-156=189×(834-830)=65×6-82=962-21-865=215+(451-141)=254+351+342=77+897+14=560-507=788-(733-421)=393-(17+161)=476×2-435=3/5-2/5=206×6=64+145+184=1/6+4/6=1/8+6/8=593+52×5=63×7+200=226-158-36=2/3-1/3=774+317-727=82+11×7=895-47-180=190-(391-355)=364-112-180=144×4=555+193=780+177-264=293-(30+85)=264+678=164×6-585=184×6-931=908-153-382=411-50+17=829+35×5=682+363-329=359-(695-457)=800×3-168=192×5=2/7+3/7=33×3=922+(963-737)=122×5+135=445-(273+118)=880×6=497×9-930=68-14×2=276-172+442=159+123×2=240+497=762-(239+192)=889-(55+273)=32×3=397-277=859×4-597=623×7=474-(31+302)=488-148=734-(43+308)=539+431+223=404-11×8=71+193-239=914-328-469=368+78=332-54=711-(318-214)=273+21+327=320×3-565=747+668+106=983-349=502×9-926=498-350+292=344×2=257-75×2=743-210+376=842+150-441=898-84×4=106×8+751=107+374-399=594+614-989=870-16×5=366-233=569×3=895-(173+287)=889×9-532=542-52×7=59+22=528+162+66=224+107=992-(304+253)=690-369-76=295×3=903-726-94=142+(71-38)=435+15+33=649-(355-111)=54×5-208=230-(150+34)=423×(104-99)=73×(121-117)=396+(376-242)=534×9-805=264+(999-123)=245×4+564=352-98=464+323-506=319-127-161=117×(349-345)=808+68+122=383-(266+25)=66-55=32×8=119+27=88+501+605=475+23-182=201+146×2=488-(134+112)=640×4=31+(304-138)=71×2+860=906+464+469=577-(380+88)=317+112=531-(821-725)=902-338+911=775-(232+25)=91+964+870=420-348-19=210×4=195+111+119=147×(415-410)=69×(298-291)=108+(170-123)=494-(22+317)=70+336=218-(350-169)=830+311=955+(509-323)=384-121-241=151+65=663×(601-596)=218-89×2=397-42-24=482-256-225=815+(755-601)=210+475+623=843-652+963=294+282+622=195×4-622=802+(741-311)=708-215+787=294+101×2=443-83×3=412-83=186×4=922×3=152×8=836+115-60=218×(563-556)=196-58=88+359-378=102+543+167=67+(167-111)=49×2+155=295+217=40+23×8=263×3=106-46×2=63×(315-311)=353-62-47=855+(328-251)=484-67-255=241-(277-244)=108-(484-421)=321-20+82=190+413+868=550-(400-379)=795-(739-493)=253×9=678+648+79=105×4-221=805-17×4=83+(469-251)=523-(203+175)=809-170×3=181×5-184=462-(440-234)=37×5+410=92+315-197=147+(614-101)=406-(148+143)=326-160+391=71+215-221=495-53×2=125×(71-68)=359-(470-432)=422-(312+72)=31×(495-489)=889×(536-529)=585-497=4/7-2/7=274-(379-119)=502-(213-41)=143-(412-406)=151-(372-269)=109×9-49=330-135=91×5+283=238+250-465=336-304+618=707+182+287=671+111+73=466×6-700=76+198=382-(386-368)=565-254×2=977-265=871+663-93=359+(486-99)=464-346-59=5/8+2/8=562+892-55=191+27×7=481+59×6=570+(693-444)=73×2-18=808+(831-659)=822+(633-190)=494-154+155=188+136=34+450-378=191-13×5=500-450+208=399-79×5=130×(231-225)=3/5-1/5=418-216=781-183=461-(412-16)=399-203=248-164+248=124×6-271=449-(216+182)=510+(362-44)=492-213-275=709+436+182=634-(803-263)=534+303+89=451+594-806=102×(99-92)=108×7=959+78+92=322+(302-160)=248+64-82=117-27-46=263×2-455=376+34-66=247+235=861-(331+57)=468-32×2=770-72×3=454+249+42=84×6+952=859-(446+45)=155-53=32+210-57=710+873-577=261×2+473=636-45+842=583-(85+113)=116×4+488=313+(976-438)=301×7-685=425-55×3=891-(386+231)=383-17×8=683×5-168=102-12×7=215+(442-151)=84×3=400+69+46=356-161+798=291+134=4/7+2/7=946-(973-710)=158×(302-297)=214-150+423=416-(465-333)=366-313+674=48×(418-413)=768×6-40=29×5+816=517+(416-371)=13-(661-656)=527×9=466-(151-85)=230+878-423=158+260-318=207+202-76=568-(272-255)=240+107+83=844-429-189=404×6=830-463-248=790-42×9=785-133×2=320+392-625=885-70+394=33×(455-448)=233+172×2=832+(539-165)=1/5+3/5=27+29=386-38×9=914+(823-718)=361+11+285=625-(480+58)=845+448-589=328×2-103=450-405-29=225×3=411+65×7=38×9+345=441-313=515-94×2=465-50+495=752+(759-723)=493+102×8=80×3+441=748+157×6=65×9=769-594=145-11×4=453-(31+406)=16×3-11=822-44-556=583×5-680=344-68=920-701=430×9-138=281×2+602=388-(14+31)=834-397×2=460-110×3=14+(393-388)=226+495+22=721×3=参考答案307-283+154=178668-89×5=223438-139-213=86173×3+454=973341-322+366=385224-(231-35)=2888+16=104645×2-888=40237+(189-25)=201471×2-759=18385+568+572=1225413-38-174=201813-162=65136×9-151=173159×(426-421)=795163+71=234410×6=2460160-(380-279)=59521×(241-233)=4168266×(58-55)=798788×4=3152585+630=12151/7+4/7=5/7366-231+45=180481-(221+58)=202275+112-230=157913×(138-132)=5478183+310-89=404536+(677-146)=1067491-(180-175)=486602-170-219=213318+113=431252+225=47786×6=516219-41+256=434285-67=218296+(674-377)=593414+81=495773-562+346=557828-154-221=453151+56×9=655315-174-87=5490×2=180471×2-934=8159-24×2=11175×(974-971)=225723-(687+26)=10347+612+341=1300380-217-68=95216-(491-486)=21195+(354-311)=138422+101×4=826456-63×5=141373-(278-223)=318104×6-444=180424-(286+106)=32533-137=396262+(397-340)=31943+227=270549+483=1032956+921+146=2023411+188=599959-44-735=180424-179+423=66881+75+570=726896×5=4480434-63×6=56333+(264-244)=353796-171×2=454415×9=3735523+838=13612/10+6/10=8/10435-291=144232×3-443=253770×8-212=5948348-26-65=257440-(456-310)=29480×9-377=34393×(205-198)=651332-78+11=265386+196=582193-74=119237+138+254=629296×(209-201)=2368907-277-245=38579+319-185=213483-250+778=1011597-597+257=257655+990+470=211523×(190-184)=138724-446-249=29288-(804-585)=69432×(642-638)=1728487-(368-127)=246862-(295+160)=407135+66×4=399997+421-189=1229158×(489-484)=790867-726=141102×4+184=592437-56-102=279361-158×2=45776×(58-49)=698455+714+42=811393-215=178560-240+848=1168537-80×3=297998×(93-86)=6986862-(451+282)=129323-145-142=36348-55+109=402104×8-536=296112+76×7=64465+(295-16)=344412-91+37=358867-276+549=1140512×3=1536941-(159+126)=656572+567=1139493-391=102922-(623-501)=80061×2=122101×(292-287)=505565-54-98=413825+898+305=2028286+(664-565)=385731-(765-249)=2154/6-1/6=3/6447+811-399=8595/7-1/7=4/7488-161-59=268316-(267-249)=29869×8-276=276362-327=35852-693=159574×9-81=5085122+278=400359-162+151=348189+(408-113)=484232+(263-150)=34577×3-210=21196-111=85500-(77+353)=70447-10×8=367488-459+370=399920-(12+751)=15795×(446-438)=760455+593-71=977452+27×7=64189+639+262=9904/7-3/7=1/7348-111+355=592312-140-78=94139+637=776175+276=451881-13×6=803204+10+189=403384-299+277=362371+18×7=497319+(980-336)=963107×2=214972-176×4=268443+(415-86)=77251+176-22=205466×2=932297+81-265=113326×3=978108×(40-36)=432108×9=972735-215=520592-183×3=43126×2+459=711870-(920-175)=125471-86=385404+32-139=297572-277+362=657950-(902-759)=807488-(246-186)=428471+(484-341)=61452×(68-60)=41659+216=275327×2+883=1537276-(24+91)=161385-10-189=186315×2-13=617996-625=37165+198=263462+431=893746+561-264=1043315+177=492472+380+82=934762×(805-799)=4572107+(399-120)=386451-327=124153×5+439=1204203+(282-269)=216441+(685-637)=489230+219=449140×(266-260)=840765×6-941=3649155+403=558487×6-740=2182163-94+137=206870×(562-555)=6090475+(176-63)=588420+476+25=921178×(20-16)=71270×7+284=774532-(694-396)=234106×(242-235)=742545×5-683=2042486-(307+85)=9440+97×8=816789+552=1341859-(23+802)=3452+265=317495-(53+229)=213898+160+614=1672727-99-37=591934-96×7=262185-70+227=34238+(433-238)=233909+(903-895)=917375-356=19204×(711-707)=816410-(430-33)=13142×3+772=1198344+261+79=684271-176-25=70949-(293+502)=154130×(102-96)=780431+(371-199)=603249+200-158=29133×5+929=1094203+115+629=947359×2+39=757841+347×2=1535264-183=81617+387-242=76270×9+261=891219-73×2=73189-67=12268+662-343=387236×4-372=572403-(472-164)=95526+368=894208+106=314956-(293+233)=430432-348+349=433144+17-15=146441+43-320=164157-(194-45)=8105×4=4203/6-2/6=1/6444-48×8=60514×5=2570291-(376-126)=41190-28×3=1064/6+2/6=1784+71+23=878496+72×2=640674-(246+202)=226445×(852-844)=3560677-(933-664)=408897+43×4=1069449-(66+338)=45663-116+552=1099356+(394-33)=71793+782+685=1560297-105=192480×4-755=1165203×2+250=656118+225=343552-317+312=547455-269=186255×5-782=4937/10-3/10=4/10132-(366-239)=557+504+150=711838+433-837=43427+310+175=512117+123+41=281201+(356-88)=469763-103-406=254331-111-177=43442-24-308=110953×(556-552)=3812228-85=1434/8-3/8=1/8118+99×5=61360+(426-405)=81658-217-378=63279+72+508=85999×9-830=61349×2+169=867965×7=6755347-(97+60)=190820+209-357=67280-17×4=12230-59=171523+278+60=86117×(110-104)=102878-(166+390)=322481-(210+165)=106481+372=853238-93=14563-31=32631-16-39=576680-256-109=315287×2-150=424587×8=4696136+283-277=142989+(388-296)=1081248×3-669=75145×3-311=124431×(233-229)=1724620+619=1239215×3=645206-78+174=302100+84=184203×3=60970+962+76=1108935+(460-62)=1333913×7=6391132-(83-75)=1242/5-1/5=1/5734-(824-353)=263760+868+970=2598118+82=200672-415+934=1191176×5+735=1615827-(840-635)=622369×(871-867)=14763/8+4/8=7/8110×3=330484-13×5=419473-105-297=71621-112=5092/9-1/9=1/9818-(194+562)=62937+185-432=690557+613-477=693368-178×2=12603-(888-577)=292498×4-467=1525134×4=536517-(215+112)=190118-49×2=20443-109+166=50044+349-342=51810×(198-193)=4050476-(218+163)=9577×(151-145)=462378+615+332=1325883-461-214=208264-38-107=119494-(374+23)=97159×6-798=156435×6=2610291+184=475150+76=226355-281+86=160385-344+356=397386-363+224=247188+202×3=79427+(265-46)=246236+(211-147)=300369-17×2=335475+473+324=1272132+312-45=399305-51-20=23411+700+279=990916-99×5=421413-268=145335-(342-67)=60463-91=37281+303-103=281825-727=9870×(392-385)=490193×3=579748-450-238=60346-345+69=70189+500=689473-13-369=91106×8=848174+(291-48)=417424-(62+143)=219224+264-264=22493+126=219501-188×2=125458-(274+121)=63107-(976-958)=89133×5-258=407439-(357-177)=259736×3-625=1583453-88=365502-158=344117×8=936464-(331-216)=349561-(446-191)=306137+(292-257)=172253+109-129=233642-67-408=167200-143=57243+105-238=110508-324+254=438431+28-84=375710-216=494113-(45+66)=2280-46-104=130268+495=76381×6=486189+(320-131)=378377-56-172=149594×3=1782683-618=6569×5+50=395849-479+595=965290×(773-769)=1160912-153+781=154086+87=173725-334+886=1277531×6=3186316-307+261=270242-14×8=130859-53-333=473259+471-93=637108+138+441=687612+550+236=1398365-102=263881+346+435=1662379+99×9=127090+124=214272+107×4=70043×6=258126×6-364=39261+(632-619)=74984-238+768=1514286-274+242=254572-(148+305)=119768-119×5=173460+41×4=624117+166=283145×5=725413-205×2=3334-322+132=144385-37×6=163969-(784+111)=74186-(236-218)=168629+581-694=516720+(547-14)=1253262×(437-432)=1310479-210×2=59299-(92-40)=247202-(99+12)=91113×6=678205×2=410153+589=742384-294+247=337183×(356-352)=732482-276+13=219840-186=654323+237=560634-10-305=319533×3-944=655634×4-79=2457654-141=513246×4=984316-283+276=309105×(440-433)=735895-(131+97)=667124×7-215=653128×5+302=942366-78×2=210305+848-602=55190-13×2=64498-(312+133)=53200×3-313=28792×(456-450)=552954-(135-50)=86973+28×7=269484-93×3=205246-140=106436-(191+133)=112325-45×5=100205+63+617=88567×(142-136)=402472-20×2=4323/8+2/8=5/8938-443=495103+374=477504-448=563/6+2/6=5/6950-(684+245)=21196+173+159=528121+58×2=23787+105=192837-(760-31)=10897×(423-417)=58225+437-293=169264×(408-405)=792409-368-32=9781×7=5467181×(263-260)=543807×(660-655)=4035163×5-552=263501-(716-360)=145393-(102+239)=52788+609=1397331-21×2=289126+767-335=558234×(174-171)=702818×3=2454437×(67-61)=2622667-324-218=125420-65-205=150176+(335-186)=325298+231-156=373189×(834-830)=75665×6-82=308962-21-865=76215+(451-141)=525254+351+342=94777+897+14=988560-507=53788-(733-421)=476393-(17+161)=215476×2-435=5173/5-2/5=1/5206×6=123664+145+184=3931/6+4/6=5/61/8+6/8=7/8593+52×5=85363×7+200=641226-158-36=322/3-1/3=1/3774+317-727=36482+11×7=159895-47-180=668190-(391-355)=154364-112-180=72144×4=576555+193=748780+177-264=693293-(30+85)=178264+678=942164×6-585=399184×6-931=173908-153-382=373411-50+17=378829+35×5=1004682+363-329=716359-(695-457)=121800×3-168=2232192×5=9602/7+3/7=5/733×3=99922+(963-737)=1148122×5+135=745445-(273+118)=54880×6=5280497×9-930=354368-14×2=40276-172+442=546159+123×2=405240+497=737762-(239+192)=331889-(55+273)=56132×3=96397-277=120859×4-597=2839623×7=4361474-(31+302)=141488-148=340734-(43+308)=383539+431+223=1193404-11×8=31671+193-239=25914-328-469=117368+78=446332-54=278711-(318-214)=607273+21+327=621320×3-565=395747+668+106=1521983-349=634502×9-926=3592498-350+292=440344×2=688257-75×2=107743-210+376=909842+150-441=551898-84×4=562106×8+751=1599107+374-399=82594+614-989=219870-16×5=790366-233=133569×3=1707895-(173+287)=435889×9-532=7469542-52×7=17859+22=81528+162+66=756224+107=331992-(304+253)=435690-369-76=245295×3=885903-726-94=83142+(71-38)=175435+15+33=483649-(355-111)=40554×5-208=62230-(150+34)=46423×(104-99)=211573×(121-117)=292396+(376-242)=530534×9-805=4001264+(999-123)=1140245×4+564=1544352-98=254464+323-506=281319-127-161=31117×(349-345)=468808+68+122=998383-(266+25)=9266-55=1132×8=256119+27=14688+501+605=1194475+23-182=316201+146×2=493488-(134+112)=242640×4=256031+(304-138)=19771×2+860=1002906+464+469=1839577-(380+88)=109317+112=429531-(821-725)=435902-338+911=1475775-(232+25)=51891+964+870=1925420-348-19=53210×4=840195+111+119=425147×(415-410)=73569×(298-291)=483108+(170-123)=155494-(22+317)=15570+336=406218-(350-169)=37830+311=1141955+(509-323)=1141384-121-241=22151+65=216663×(601-596)=3315218-89×2=40397-42-24=331482-256-225=1815+(755-601)=969210+475+623=1308843-652+963=1154294+282+622=1198195×4-622=158802+(741-311)=1232708-215+787=1280294+101×2=496443-83×3=194412-83=329186×4=744922×3=2766152×8=1216836+115-60=891218×(563-556)=1526196-58=13888+359-378=69102+543+167=81267+(167-111)=12349×2+155=253295+217=51240+23×8=224263×3=789106-46×2=1463×(315-311)=252353-62-47=244855+(328-251)=932484-67-255=162241-(277-244)=208108-(484-421)=45321-20+82=383190+413+868=1471550-(400-379)=529795-(739-493)=549253×9=2277678+648+79=1405105×4-221=199805-17×4=73783+(469-251)=301523-(203+175)=145809-170×3=299181×5-184=721462-(440-234)=25637×5+410=59592+315-197=210147+(614-101)=660406-(148+143)=115326-160+391=55771+215-221=65495-53×2=