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100+(998-317)=218×9=732-(220-16)=103+180=420×2+74=293+14+616=667-405-25=412-14×9=218×2-324=115+68=808-584-86=267-14×7=1/5+3/5=242-52=314+(946-169)=57×7+327=168+516+284=682-497-111=160×(347-338)=336-167+35=394-56=958+425-872=42+99+752=415+77-168=264-11×4=354×2=260×(21-18)=194×4-465=845-(341+428)=400+522-765=828-(112+432)=844-31×8=850-333=449-104×2=343-62×4=732-(62+290)=313+818-346=76×7-373=729-(255+292)=587-13×6=673+195×2=383×2+136=938-759=154+469+80=497×2-838=477+(995-483)=311+(472-97)=154+132-172=479-(185-162)=855-808+169=372×3=3/7-2/7=276-135=236+(484-138)=867-177-167=435-34×6=475-(94+38)=809-(58+342)=167+690+59=134+146-16=34+635+949=337+(407-224)=156×2=424-77-245=46×4+696=99+133=349-169-59=305-14×8=99-81+214=230+240=334-293-14=653+338-364=1/9+4/9=415+80×2=976×(195-188)=430-(53+61)=469-(327-309)=988+(259-248)=225-(59+159)=94×2=881-(34+525)=439-350=440-210+266=184+170=390+(401-315)=361+126=482-202-15=480-263+266=763+69+901=58×(43-40)=346-(293-36)=424-306+339=170+208-215=255×2-296=203×4-592=625-68×4=682+872+590=95-(33+47)=901-(622+168)=213+143=457-289+210=433+684-377=87-(436-352)=746-294=828-138=16+208+388=79×8-382=735+(488-138)=21+(348-115)=660+(121-65)=460-25×7=8/9-1/9=171×(477-472)=497-(827-435)=446+196+559=304-290+40=182+600-459=635-(979-974)=553×3-102=154+(488-297)=194-(82+108)=70+385=738+538+658=227×4-80=118+(421-171)=899-866=195×4+94=5/8-1/8=726-541+72=586-472=597+309-841=402-(830-653)=186+242+259=126×5-38=84×(312-305)=173+43×8=231+(480-242)=213-(20+155)=276-(863-703)=450-420+263=91+146=557×2-288=195×(293-288)=850-323×2=39×7-42=57×9=939-253+168=659-(836-317)=52×5+362=764-31×8=489+181=16×(592-588)=215-14=136-12=291-146=399-(74-53)=572-12×8=42×(221-213)=10×4=872-161-627=668-20×7=357-(77+140)=783+634+808=500+(492-433)=985-(125+54)=208×(853-844)=2/10+5/10=483-154-99=264-160-57=226×6=309-(319-282)=309-(991-721)=193+67-57=283+(441-380)=466-57+41=482+(139-136)=100×9-685=132×(129-122)=842-212-394=677+471-406=412×5-532=2/6-1/6=914-(90+144)=367-141+11=275+173×3=627+448-147=210×2+456=176+(285-118)=127+274=615-30+764=975-120-515=499-(65+364)=5/7-1/7=534×7-971=107×(64-60)=734×(939-934)=3/8+5/8=485-100+203=443-219×2=93+12×4=306×3-588=234-(410-334)=489-469=88+44+714=925-397-382=133×(337-334)=971-656-287=81×3=4/8+2/8=234×(105-100)=3/7+2/7=189+311-230=830-61×4=167-46+257=381-112=574+704-242=480-(443-357)=209+(170-43)=120+879+168=461-56×5=194×2-278=499-483+852=535+(672-378)=29×5+50=103×9-702=2/8+3/8=225×(146-143)=996-87×5=84×6+164=641×2-25=336×2+195=194×5-596=681+888+596=16+401-120=948+613-731=221+89=969+693-319=101+(476-67)=909-259-281=720+276+747=404-(50+222)=870+75×2=514+385=429+344+702=474-(162+48)=196-(31+159)=465×4=919-(312+395)=999+(817-98)=54+100=903+269+832=323-(641-352)=2/8+4/8=455+(372-149)=221×3=427×2=482-(83+102)=873-(738-51)=900-457-72=550×9=134+212+253=75×(349-342)=239-31=94-(308-279)=143-87+309=367+(319-250)=80+212=116×7-125=144+557-299=343-31-215=182×(421-416)=257×5-123=925-108×7=455-238+527=485-356-18=487+251=657-(577-384)=414-89-132=281-186-47=389-302+364=903-(523-235)=478-439+858=239+91-138=47×9=780-404-263=484-(224-19)=25×8=311×(114-111)=863×4-265=809-98-330=79+(909-358)=62×(634-630)=465-(256-236)=10+341+491=828+(437-344)=888-190×2=857×5=94-86+386=460-69×4=142×6+121=935-208+961=87+106=109×5=383+387-668=116+353=128+114-229=463-325+120=213-122=946+(745-183)=352×2=221-(499-297)=60+72+23=927-659=176+(261-95)=441-32+35=451-(284-96)=689-195+18=5/10-3/10=44×(837-831)=396×(176-172)=440-(561-188)=542+946+665=266-137+23=163+89-204=33+(234-173)=387+504=733×(152-144)=11+74×8=899-526-196=986-104×2=485×(127-118)=240×(213-209)=378-202-164=396-273=365+(953-264)=136×7-66=331-15=467-127=124×(20-13)=4/8-2/8=312-33=242+416+201=200-15-78=206×4-139=121+98×2=114+46=6/9+2/9=452-374-35=116×2+175=694×3=2/4-1/4=179+38+514=337+683+589=2/8+5/8=56+289=900-(696+92)=416-(69+152)=523×7-567=1/4+3/4=92×(980-972)=881-326=308-58-190=479+(753-111)=738×(226-217)=990-419×2=815+820-86=154-13×9=527+587=427-62×5=312×6=778×9=971+290+239=295-(90-85)=254+26×9=157+43+708=661-312=428-(389-254)=337×2=441-47×3=260+586=195-138+56=369-149=66+262×3=349+124=75×(498-493)=128+278=88+(331-300)=398-74+40=302-217=622×5=963+(444-168)=947+945-618=998-(480-225)=404-76×5=392-300=53+(487-195)=243-(150+10)=28×7+534=145-(20+21)=473+432=460-19×2=170+(937-350)=834+14×5=112×(34-31)=43×3=489-255=147+181-216=192+51×5=691×2-518=942-(565-33)=773+209+10=827×3-264=579-16=836-16=976-98-753=484-164=278-(169-97)=278-(261+17)=123×9=156+767=2/5-1/5=290×(46-43)=988+863=503-332=131+479+88=115+147=938+941=210×3+89=238-22×2=87-21×3=328+252+295=493-122×2=141×(548-539)=909-(273+494)=616-(444+57)=183×4-337=10×2=178+120=148+557+201=279+642+743=856-354×2=324×2=321×2=319×3=69+72=247-(475-307)=201-(382-231)=953-(526+340)=758-155+315=735×(959-950)=921-162-382=751×7-154=344-(211+133)=339-(250-192)=237+304=26+106×3=407-307=695+894-58=177-165=924-(76+12)=858×(686-678)=175×9-212=880-467-271=446×2+271=187×(307-303)=969+540-419=853-(293+84)=312-(197+43)=140+323+255=384+(295-215)=937×9=93+(915-535)=344×2+270=360×4=832-690+490=138×2-96=74+37=128+(448-169)=366-129+113=563-(674-258)=455-(424+17)=147×4-441=475-459=331-46×7=341×(75-67)=164+187-212=279+151+227=74+308=129×(138-132)=761+(836-599)=989×(937-930)=142×4=181+124×4=385-(125+203)=351+136-288=393-103-158=481×8=471×2-269=719-275+170=32+713-393=4/6-2/6=235-40-80=474-34×3=164+264-334=500-471=357-66×5=265×2=249-(204-125)=261+(320-127)=120×2-197=978×3=196×2+214=491-15-384=114×2=348+125-93=185+208+69=102×(384-375)=652-(385+231)=609-51×7=905-48+713=332-(262-177)=121-51+377=2/7-1/7=292+(842-163)=90×4+446=532+836-214=85+(476-55)=902-(805-627)=159+273=146-20×7=801-519=535-142+859=141+250=120+262-152=589-121-308=71×6+595=764+253+67=377-111-32=274×2=316×(751-742)=188×4-662=293-84=370+107-346=166×4=299-98+219=460+198×4=411+281+96=326×5-72=864-143×4=761-(163+534)=10+331-104=831-711=602+348=791+163×2=892+157×4=97+675+170=107+(335-137)=71×8=244×3=436-(480-462)=305+103-272=430+75=20+452-184=91+162=149+342-132=248+101+498=10+253+629=539+808=665+(861-829)=223+263+56=464-(256+157)=993+806-553=931-61+382=120×7+904=935-356=234-55×2=247-142+185=809-533+327=216-12×3=656-29-404=977-(863-423)=230-198+146=930×(346-339)=742+26-112=216-169=324-214+69=64×8+601=73+54=263+517+913=60+345+100=108×3+422=334-231+432=883+528+336=819-97-424=317-19×9=338-(418-342)=493-96-64=419-118×2=50×7+158=562+204=363-(128+86)=841-346+207=363-(684-448)=96+151=88×8-298=447×9-607=384-207=323+149×3=623+(580-404)=29+257+140=949-129×3=279×3-776=798+650=802-419+674=331-18×8=778-26=238×2-164=933×(454-445)=723+429×2=184×3-339=527×4-703=247-36-157=338+152-409=123×6+77=81×7=115+11×3=188+(499-497)=434-53=30×6+289=324×(809-800)=74+232-50=180-53=789+496×2=898-10-251=50+234=641×6-460=95×(131-125)=20×5=617-426+219=143-81-59=881-(813-664)=564+284=337-214-38=281-227-34=632-513=848-(892-589)=194+107=826×9-653=204+289-380=331-301=711+112+56=218×2-236=349-(162+183)=33×6=433-(165+34)=251-(25+83)=359+38×7=85+(74-53)=496-215×2=105+100=103×(269-261)=562-280+884=888-(747-442)=476-(334+106)=168×4-336=418-20-19=967-(744-231)=640+(846-376)=413-(82+17)=137-82-30=762-221×3=161+(906-303)=142+312-87=367-159=769×2-324=959-(105+221)=866-57-335=354+44×9=391-205+182=943-(276+162)=310-42×3=4/8-3/8=288-158+164=195+304=316+815+714=756×5=225+521=903×7=634-(726-161)=589-23×5=353-234=42+309-179=583-(837-469)=834-432+843=826-(441+84)=330+84×5=59+(910-209)=693-(57+95)=34×3=471-322-111=11×(232-223)=477+(189-112)=28×6+482=991+744-672=219×3+429=228×2=284+203×3=636+462-173=205+106-38=301-(35+199)=830×(64-61)=187+(841-237)=96-(344-265)=206-(350-335)=430×(246-243)=218-108×2=459-27×5=151×3=28+472-188=406-(278+11)=724+449-34=525×2=633+58×6=325+821=785-420-139=798+184×4=844-34-80=411+345+896=987-24-323=450-179+10=526×(185-181)=804+(918-223)=573×(350-342)=643×4=22×3=401×(174-169)=772+446+966=882+965=270+830+163=297-(566-550)=528-195=236-24×9=214×4-434=610-(653-379)=777+141+748=727+(388-30)=238-(326-296)=592×3-869=474+643+928=495-256=130+488+336=159×5=681-428=352+42-331=15×(118-114)=434×8-285=73×7-431=359-(87+112)=603-(581-347)=543-(469+72)=484-(265+152)=565+843+405=35+538+61=441-(327-41)=392-10-125=423-129=44×5=79×(308-305)=445-84+623=565×(827-822)=510-165+862=165+137=208-23×4=44+591-376=552+188=46×4+422=91×8-168=947-420×2=461-67-17=285-49=468×2-392=352×(118-115)=843-75-449=415+65+264=741-34-365=485-(213-91)=711-327=377-13×5=70×6=292+26×9=424-167-153=160+183=118-(362-342)=302+101×3=377×(328-324)=2/5+3/5=292×3-709=67+743+744=207+(316-15)=496-(224+64)=101+120=940-362=748-(474-239)=65+157=117×6+184=532+66+378=67×(167-163)=373-(307+20)=548-115×4=543×7-14=440-233+154=108×2=896-120×7=484-331+270=775-(257+432)=17×(238-235)=928-64=195×7-133=390-48-237=630+22×3=190-67-83=453-22×2=204×(336-332)=116×5+57=488+197+43=482×4=146×3-432=115-89+146=717-50-471=913-(34+631)=454-11×2=382+(123-50)=481-(271+148)=116+113-175=91×6=462-228=78×(290-287)=709-(425-234)=157+315-232=220-25×4=436-107-74=312-(366-296)=362+122=397-288=747-694+534=744×5=833+976-375=179×4-601=160×5=385+(442-204)=433-(78+287)=832-280+368=46+(325-314)=346-(177-65)=992-894+840=215+99-203=901+(934-373)=54+763-168=486×2-850=845-662+488=475×8=114+(384-122)=88+153=423-271=参考答案100+(998-317)=781218×9=1962732-(220-16)=528103+180=283420×2+74=914293+14+616=923667-405-25=237412-14×9=286218×2-324=112115+68=183808-584-86=138267-14×7=1691/5+3/5=4/5242-52=190314+(946-169)=109157×7+327=726168+516+284=968682-497-111=74160×(347-338)=1440336-167+35=204394-56=338958+425-872=51142+99+752=893415+77-168=324264-11×4=220354×2=708260×(21-18)=780194×4-465=311845-(341+428)=76400+522-765=157828-(112+432)=284844-31×8=596850-333=517449-104×2=241343-62×4=95732-(62+290)=380313+818-346=78576×7-373=159729-(255+292)=182587-13×6=509673+195×2=1063383×2+136=902938-759=179154+469+80=703497×2-838=156477+(995-483)=989311+(472-97)=686154+132-172=114479-(185-162)=456855-808+169=216372×3=11163/7-2/7=1/7276-135=141236+(484-138)=582867-177-167=523435-34×6=231475-(94+38)=343809-(58+342)=409167+690+59=916134+146-16=26434+635+949=1618337+(407-224)=520156×2=312424-77-245=10246×4+696=88099+133=232349-169-59=121305-14×8=19399-81+214=232230+240=470334-293-14=27653+338-364=6271/9+4/9=5/9415+80×2=575976×(195-188)=6832430-(53+61)=316469-(327-309)=451988+(259-248)=999225-(59+159)=794×2=188881-(34+525)=322439-350=89440-210+266=496184+170=354390+(401-315)=476361+126=487482-202-15=265480-263+266=483763+69+901=173358×(43-40)=174346-(293-36)=89424-306+339=457170+208-215=163255×2-296=214203×4-592=220625-68×4=353682+872+590=214495-(33+47)=15901-(622+168)=111213+143=356457-289+210=378433+684-377=74087-(436-352)=3746-294=452828-138=69016+208+388=61279×8-382=250735+(488-138)=108521+(348-115)=254660+(121-65)=716460-25×7=2858/9-1/9=7/9171×(477-472)=855497-(827-435)=105446+196+559=1201304-290+40=54182+600-459=323635-(979-974)=630553×3-102=1557154+(488-297)=345194-(82+108)=470+385=455738+538+658=1934227×4-80=828118+(421-171)=368899-866=33195×4+94=8745/8-1/8=4/8726-541+72=257586-472=114597+309-841=65402-(830-653)=225186+242+259=687126×5-38=59284×(312-305)=588173+43×8=517231+(480-242)=469213-(20+155)=38276-(863-703)=116450-420+263=29391+146=237557×2-288=826195×(293-288)=975850-323×2=20439×7-42=23157×9=513939-253+168=854659-(836-317)=14052×5+362=622764-31×8=516489+181=67016×(592-588)=64215-14=201136-12=124291-146=145399-(74-53)=378572-12×8=47642×(221-213)=33610×4=40872-161-627=84668-20×7=528357-(77+140)=140783+634+808=2225500+(492-433)=559985-(125+54)=806208×(853-844)=18722/10+5/10=7/10483-154-99=230264-160-57=47226×6=1356309-(319-282)=272309-(991-721)=39193+67-57=203283+(441-380)=344466-57+41=450482+(139-136)=485100×9-685=215132×(129-122)=924842-212-394=236677+471-406=742412×5-532=15282/6-1/6=1/6914-(90+144)=680367-141+11=237275+173×3=794627+448-147=928210×2+456=876176+(285-118)=343127+274=401615-30+764=1349975-120-515=340499-(65+364)=705/7-1/7=4/7534×7-971=2767107×(64-60)=428734×(939-934)=36703/8+5/8=1485-100+203=588443-219×2=593+12×4=141306×3-588=330234-(410-334)=158489-469=2088+44+714=846925-397-382=146133×(337-334)=399971-656-287=2881×3=2434/8+2/8=6/8234×(105-100)=11703/7+2/7=5/7189+311-230=270830-61×4=586167-46+257=378381-112=269574+704-242=1036480-(443-357)=394209+(170-43)=336120+879+168=1167461-56×5=181194×2-278=110499-483+852=868535+(672-378)=82929×5+50=195103×9-702=2252/8+3/8=5/8225×(146-143)=675996-87×5=56184×6+164=668641×2-25=1257336×2+195=867194×5-596=374681+888+596=216516+401-120=297948+613-731=830221+89=310969+693-319=1343101+(476-67)=510909-259-281=369720+276+747=1743404-(50+222)=132870+75×2=1020514+385=899429+344+702=1475474-(162+48)=264196-(31+159)=6465×4=1860919-(312+395)=212999+(817-98)=171854+100=154903+269+832=2004323-(641-352)=342/8+4/8=6/8455+(372-149)=678221×3=663427×2=854482-(83+102)=297873-(738-51)=186900-457-72=371550×9=4950134+212+253=59975×(349-342)=525239-31=20894-(308-279)=65143-87+309=365367+(319-250)=43680+212=292116×7-125=687144+557-299=402343-31-215=97182×(421-416)=910257×5-123=1162925-108×7=169455-238+527=744485-356-18=111487+251=738657-(577-384)=464414-89-132=193281-186-47=48389-302+364=451903-(523-235)=615478-439+858=897239+91-138=19247×9=423780-404-263=113484-(224-19)=27925×8=200311×(114-111)=933863×4-265=3187809-98-330=38179+(909-358)=63062×(634-630)=248465-(256-236)=44510+341+491=842828+(437-344)=921888-190×2=508857×5=428594-86+386=394460-69×4=184142×6+121=973935-208+961=168887+106=193109×5=545383+387-668=102116+353=469128+114-229=13463-325+120=258213-122=91946+(745-183)=1508352×2=704221-(499-297)=1960+72+23=155927-659=268176+(261-95)=342441-32+35=444451-(284-96)=263689-195+18=5125/10-3/10=2/1044×(837-831)=264396×(176-172)=1584440-(561-188)=67542+946+665=2153266-137+23=152163+89-204=4833+(234-173)=94387+504=891733×(152-144)=586411+74×8=603899-526-196=177986-104×2=778485×(127-118)=4365240×(213-209)=960378-202-164=12396-273=123365+(953-264)=1054136×7-66=886331-15=316467-127=340124×(20-13)=8684/8-2/8=2/8312-33=279242+416+201=859200-15-78=107206×4-139=685121+98×2=317114+46=1606/9+2/9=8/9452-374-35=43116×2+175=407694×3=20822/4-1/4=1/4179+38+514=731337+683+589=16092/8+5/8=7/856+289=345900-(696+92)=112416-(69+152)=195523×7-567=30941/4+3/4=192×(980-972)=736881-326=555308-58-190=60479+(753-111)=1121738×(226-217)=6642990-419×2=152815+820-86=1549154-13×9=37527+587=1114427-62×5=117312×6=1872778×9=7002971+290+239=1500295-(90-85)=290254+26×9=488157+43+708=908661-312=349428-(389-254)=293337×2=674441-47×3=300260+586=846195-138+56=113369-149=22066+262×3=852349+124=47375×(498-493)=375128+278=40688+(331-300)=119398-74+40=364302-217=85622×5=3110963+(444-168)=1239947+945-618=1274998-(480-225)=743404-76×5=24392-300=9253+(487-195)=345243-(150+10)=8328×7+534=730145-(20+21)=104473+432=905460-19×2=422170+(937-350)=757834+14×5=904112×(34-31)=33643×3=129489-255=234147+181-216=112192+51×5=447691×2-518=864942-(565-33)=410773+209+10=992827×3-264=2217579-16=563836-16=820976-98-753=125484-164=320278-(169-97)=206278-(261+17)=0123×9=1107156+767=9232/5-1/5=1/5290×(46-43)=870988+863=1851503-332=171131+479+88=698115+147=262938+941=1879210×3+89=719238-22×2=19487-21×3=24328+252+295=875493-122×2=249141×(548-539)=1269909-(273+494)=142616-(444+57)=115183×4-337=39510×2=20178+120=298148+557+201=906279+642+743=1664856-354×2=148324×2=648321×2=642319×3=95769+72=141247-(475-307)=79201-(382-231)=50953-(526+340)=87758-155+315=918735×(959-950)=6615921-162-382=377751×7-154=5103344-(211+133)=0339-(250-192)=281237+304=54126+106×3=344407-307=100695+894-58=1531177-165=12924-(76+12)=836858×(686-678)=6864175×9-212=1363880-467-271=142446×2+271=1163187×(307-303)=748969+540-419=1090853-(293+84)=476312-(197+43)=72140+323+255=718384+(295-215)=464937×9=843393+(915-535)=473344×2+270=958360×4=1440832-690+490=632138×2-96=18074+37=111128+(448-169)=407366-129+113=350563-(674-258)=147455-(424+17)=14147×4-441=147475-459=16331-46×7=9341×(75-67)=2728164+187-212=139279+151+227=65774+308=382129×(138-132)=774761+(836-599)=998989×(937-930)=6923142×4=568181+124×4=677385-(125+203)=57351+136-288=199393-103-158=132481×8=3848471×2-269=673719-275+170=61432+713-393=3524/6-2/6=2/6235-40-80=115474-34×3=372164+264-334=94500-471=29357-66×5=27265×2=530249-(204-125)=170261+(320-127)=454120×2-197=43978×3=2934196×2+214=606491-15-384=92114×2=228348+125-93=380185+208+69=462102×(384-375)=918652-(385+231)=36609-51×7=252905-48+713=1570332-(262-177)=247121-51+377=4472/7-1/7=1/7292+(842-163)=97190×4+446=806532+836-214=115485+(476-55)=506902-(805-627)=724159+273=432146-20×7=6801-519=282535-142+859=1252141+250=391120+262-152=230589-121-308=16071×6+595=1021764+253+67=1084377-111-32=234274×2=548316×(751-742)=2844188×4-662=90293-84=209370+107-346=131166×4=664299-98+219=420460+198×4=1252411+281+96=788326×5-72=1558864-143×4=292761-(163+534)=6410+331-104=237831-711=120602+348=950791+163×2=1117892+157×4=152097+675+170=942107+(335-137)=30571×8=568244×3=732436-(480-462)=418305+103-272=136430+75=50520+452-184=28891+162=253149+342-132=359248+101+498=84710+253+629=892539+808=1347665+(861-829)=697223+263+56=542464-(256+157)=51993+806-553=1246931-61+382=1252120×7+904=1744935-356=579234-55×2=124247-142+185=290809-533+327=603216-12×3=180656-29-404=223977-(863-423)=537230-198+146=178930×(346-339)=6510742+26-112=656216-169=47324-214+69=17964×8+601=111373+54=127263+517+913=169360+345+100=505108×3+422=746334-231+432=535883+528+336=1747819-97-424=298317-19×9=146338-(418-342)=262493-96-64=333419-118×2=18350×7+158=508562+204=766363-(128+86)=149841-346+207=702363-(684-448)=12796+151=24788×8-298=406447×9-607=3416384-207=177323+149×3=770623+(580-404)=79929+257+140=426949-129×3=562279×3-776=61798+650=1448802-419+674=1057331-18×8=187778-26=752238×2-164=312933×(454-445)=8397723+429×2=1581184×3-339=213527×4-703=1405247-36-157=54338+152-409=81123×6+77=81581×7=567115+11×3=148188+(499-497)=190434-53=38130×6+289=469324×(809-800)=291674+232-50=256180-53=127789+496×2=1781898-10-251=63750+234=284641×6-460=338695×(131-125)=57020×5=100617-426+219=410143-81-59=3881-(813-664)=732564+284=848337-214-38=85281-227-34=20632-513=119848-(892-589)=545194+107=301826×9-653=6781204+289-380=113331-301=30711+112+56=879218×2-236=200349-(162+183)=433×6=198433-(165+34)=234251-(25+83)=143359+38×7=62585+(74-53)=106496-215×2=66105+100=205103×(269-261)=824562-280+884=1166888-(747-442)=583476-(334+106)=36168×4-336=336418-20-19=379967-(744-231)=454640+(846-376)=1110413-(82+17)=314137-82-30=25762-221×3=99161+(906-303)=764142+312-87=367367-159=208769×2-324=1214959-(105+221)=633866-57-335=474354+44×9=750391-205+182=368943-(276+162)=505310-42×3=1844/8-3/8=1/8288-158+164=294195+304=499316+815+714=1845756×5=3780225+521=746903×7=6321634-(726-161)=69589-23×5=474353-234=11942+309-179=172583-(837-469)=215834-432+843=1245826-(441+84)=301330+84×5=75059+(910-209)=760693-(57+95)=54134×3=102471-322-111=3811×(232-223)=99477+(189-112)=55428×6+482=650991+744-672=1063219×3+429=1086228×2=456284+203×3=893636+462-173=925205+106-38=273301-(35+199)=67830×(64-61)=249018