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63×3+27=28×(55-51)=1/5+3/5=156×4-623=526×7=735+(964-295)=17×2+471=133×3+482=137×(414-409)=133+25×7=121+523+178=970+(413-388)=306-44×4=24×2=180+386+186=358-196=455×(792-787)=859+(664-199)=822×7=175+118+485=214+67+433=245×3-192=150+(202-41)=845-367+471=327×6=87+208=143-16×5=45×(448-443)=237×7-830=184-(205-60)=124×4+675=386-267-44=1/8+3/8=409-(50+131)=261+125=145+44-10=907-185-305=208-(18+105)=298-28+77=294-(157+34)=527-230=149-42×3=382-185+59=414-(29+191)=116×(170-164)=260+84=62+26×2=654-517=136-(106-80)=292-(215-51)=682×(812-807)=421-51×4=315×3=956-(876-318)=238-112=199+899+34=189+(794-407)=273-80=219-63-151=61×6+383=791×7-487=72+386=662×3-362=151×6=253+237=210-28×6=162+304=616-166-353=457-(204+118)=418×2-134=860-231×3=100×9=141+218=17×8=959-19×7=25×6=588+933-167=74×(14-10)=137×(414-407)=546×(468-463)=85+188+616=896-55=944-108=402-69=188+17×9=657-(449-274)=464-390+331=728+214-665=3/8-2/8=148×5=216+87×7=812-71×8=458+457+153=929-(25+442)=482+(132-15)=86+194×4=356-(340-192)=183+(333-223)=995+(543-44)=2/5+3/5=696+(211-52)=608-(76+381)=887×5=440-(64+361)=484-148+42=438×4=671×3-791=313-151-128=917-480=75+231+505=433-(875-818)=409-174-222=784-43+889=287+249=3/8+2/8=383-33-78=996-(274+531)=76+111=333+838-728=329×(480-475)=292+86×8=107+(916-103)=361-304+220=96×8=899-839=201+139-262=256-180=367-(421-365)=184×8=4/10-1/10=449-352+294=547+266-59=72-48+174=857-(26+576)=492×9=937-199×4=305-96+215=493-11=177+382=174+(786-642)=195×4=893+101-605=498-186×2=906-(88+645)=150×6-610=498+(960-831)=709-(215+248)=463-283=792+61+915=578×7=60×9-433=423-298+142=240×3-209=869+995-459=479+868-712=901+815-914=825-35-487=114+360+344=608-136=311-(86+51)=805×(484-480)=27+178×4=113+162-44=182+230=687+745-146=79×(72-68)=193+215=356-26=89+14+86=494×3-293=475-(306-136)=327-70×2=489-369+282=881-269×2=900+307+644=200-76=882×(262-254)=422×8-786=352-(85-65)=506-(425-75)=25×4+83=3/7-2/7=939-(343+96)=364-186-108=88×6+52=90+165-209=265+126-50=149×(411-407)=401×8=1/3+2/3=246+251=174+167=66+241+331=390×2=188×(50-47)=954-242×3=649-291-321=704-400+612=952-31-100=70×8=540-227-125=126+(590-513)=4/8+2/8=143+(66-24)=607×3-404=184×(106-102)=72+127×2=101×7=342-165-139=396+(470-310)=937-930+159=716-102×5=198-70+39=709×8-503=247+(373-201)=746×7=763+892=66-15+131=139+399=492-128×3=312-223+307=539-443+658=1/8+4/8=77×(341-334)=950-105×4=466+207=979-370-540=592×6-474=275-29×2=394-368=292+219=136+249-338=438+(257-97)=256+(179-53)=806+247-65=371×2=929+871+548=14×3+653=214+(85-26)=263-61×3=244-111=753-459+156=333+593+84=19+(750-637)=203×3+195=140+(548-397)=730-385-10=417-208=727×(682-675)=165×4-480=592-22×7=440+296+25=901×(160-153)=413×4-372=621-(183+102)=246×3+161=5/8-2/8=875-174=400-183-207=337-231=630+74×5=675-(442+62)=75×(138-133)=27×7+299=318×(97-90)=317-301=35×(452-447)=55×5=378-87×4=256-234=346-286+307=409+(618-76)=728×(122-114)=86+98+163=528-(355-192)=220+82=428-(331-315)=153-(102+10)=846-266×3=417-16×5=336+112=167×4+619=121×(85-78)=62×7=291×(285-282)=406×2-269=209+257-107=133×4+853=431-75×3=97×9=395+224+112=113-(73+15)=619-(382-127)=239-(223-221)=39+34×9=464-340=868×(331-323)=479-115×3=21×(434-425)=361-143=870+665+227=206-67×2=190+803-591=332-296+113=280+131×4=91×(407-400)=439-(425-321)=372+(326-97)=929-(685-234)=386+72-136=13+245-98=590-494+493=435-311=518-386=662×(28-19)=670-149-465=227-(190-169)=393+99-440=426-221-51=260×(254-251)=400+282+34=965-622-107=717-(298+387)=366×2-618=837+528+643=729+(488-483)=58×(95-89)=696-40×9=420-266+314=340+694-534=286+183+506=238+212=231-143=156×3=13+234+716=271+(251-149)=32×(409-400)=232-(408-302)=349-344+331=80×3=208+116-46=432-400+457=726×6=49×(296-291)=633-(854-531)=306-(251-121)=219-(142-64)=911×9=172+(987-195)=448-393-49=99+529-49=42+(935-637)=358-(290-198)=927-(218+72)=16×4=379+53-50=221+351+86=831×(258-250)=398-(662-354)=488-(17+407)=688+423+988=181×5-442=456-175-229=310-35×5=453+(452-207)=104×(270-261)=757-336=355+90-315=107×4=480+896=293×3-138=421-32×4=861-126-611=428-294+286=970+472-202=29+566+219=934+315+307=278+375+55=363-40-276=710+732-768=771-(65+141)=344+(160-151)=377-222=739+381-769=693-(576+96)=391-333=733+487×2=124×6+559=318+222×2=941+(588-452)=1/7+3/7=924-(413+266)=971-356+600=814-169+16=601-301+909=176+316-109=355×6-307=86+346=324-209+445=221+318=4/10+5/10=951-53-114=461-245-100=169+(183-49)=440-151-50=104×3=57-10+299=792-81×9=53×7=165×8=817-157-189=753-282-129=384×2-72=260+542-655=977+276=353+(632-630)=646×2-351=61×7-126=382-126-14=301+39-149=2/7-1/7=758-171×4=492×6-645=103×(269-260)=845×7=822+542-22=480-27-214=77×9-282=92-(382-341)=850-(389+335)=668-245×2=301-253=703+162+113=64×7-418=204+777=776-298=993-(328+394)=788+(627-459)=998+579+750=42+106×2=561+826=731-(472-245)=438-(276+13)=154×7=35+193=319+910-762=170×7-415=292+491=211+(230-146)=500-(53+434)=426-(257+82)=572-313+466=139×6-62=186+105-149=765-(26+321)=954-90-639=373×2=691+919+778=248-(224-219)=66+591+53=45×4=51×5=197×5-706=942-553-352=583+127×6=834-209×3=4/9-2/9=684×4-921=943×(464-458)=994-(307+408)=227-(19+20)=242+325=212+(344-149)=171×4-537=320+916-404=553-(337-285)=180×(306-301)=203+21×6=292+448-730=474-275+21=356+803+323=298-154-115=285+(481-117)=448-24-261=434-194+734=566×7-533=83×(56-53)=436-(779-616)=821+215+387=629×9-569=261-206-20=66+312-107=990-(375-294)=364-35×2=296-122+215=571-98×3=661-(693-122)=261-12×9=277×3+35=815+515-249=381+(880-775)=462-(79+33)=2/6-1/6=746×7-969=491-341+894=308+(164-148)=72+22=115×2+24=162+57=249-(252-190)=255×2+244=370+62-96=358+442+542=389-280+260=974+747-751=620-289×2=29×8-142=655-(365-216)=159+293=754+771=865+787-974=136+331=639+398-991=512+771+510=976-(342-267)=264-87=711+(484-216)=859+336-814=383+108-95=76×(136-127)=839×9-298=85+191-230=123×4+237=475-233+84=459-36-163=712-281=117×3+392=395+178+68=512+299-458=442×7-196=880-(32+762)=377-134-192=338-(177+75)=421-241-66=85×2+119=472-48×6=111×7-293=817-(582-237)=711-(66+30)=208-(448-347)=165+257=346×(676-668)=360-324+437=344-(175+12)=910-76×8=2/4-1/4=999-(563-164)=674×5-48=105-77=71×8=71+79-16=843-168+476=133-74=427-(299-126)=593×8-68=278-25-79=945-861+330=92+163=157×4-481=359-44=168×4-258=850-(688-479)=894+813+964=330×2-631=3/7-1/7=889+968=246-16×3=280-29×3=3/6-2/6=613+110×4=127+261-96=79+(151-149)=283+132-350=519×(122-118)=749-(796-608)=353-34×7=297×2+39=3/8-1/8=916-350+101=892-(613+86)=586-409=937×5=866-399-460=151×(165-162)=492-405-73=578-(549-282)=451+101×6=803-665=263+152=53×(394-385)=399+(639-505)=203-24+315=163+228-136=700+972+354=624+(626-159)=360-117-102=474+379=350+(427-195)=767+846+591=12+31+160=198×2+195=847-550=481-(98+237)=48+(789-788)=415×4=494-91×2=61×8-64=96+564+88=201-22-139=637+166=350-124-147=811-267=459-39×5=919-84=67+211+657=1/6+2/6=622×6-239=845×2=351-(499-149)=693-(728-605)=313×2=954-25-512=223+251×3=79+566+169=319-(719-603)=263×3=864-(273+367)=184+491+148=139×4+748=102+295=407-105=197+501+78=378-(74+281)=325×(253-250)=881+527-796=94×2=399-27=90-43×2=206×4+150=395-104-71=618-14+189=89×9=258-200+48=94+349=419-233+159=961-(37+131)=292×2-292=461-(473-218)=840×(762-757)=118+146=310-28×4=393-25×5=334-(226-35)=476+108+96=293+62×6=919+356+424=267×(49-44)=184+17×5=735-30-258=148×3-440=490-446+302=925-832=319-(12+52)=177+462=497-(222+275)=916-188×2=473+(389-28)=51+458-98=329×9=438-16+10=429-(177+113)=372-131=17×5-20=114+179+576=103×(772-768)=241×3-193=796-(123+348)=980+(629-250)=776-231=154×(181-178)=281-(56+109)=594-195+486=234×(220-217)=328+138×7=232-16+119=300-28-191=231+(46-42)=515+278=197+178-104=405+92=267-(135+36)=757×2=710-(146+131)=320-272+15=252+174+397=772×(652-647)=59+178=343+79=749-25×2=367×7-406=581×8=807×4=795-175-372=639×(780-776)=342-(162-144)=430-(354+20)=101+184=100+211-152=594-308+214=499-105×3=892-173×3=256-(309-56)=934-236-595=896-199+904=409×2-456=961-38×3=79+(239-18)=58×9-122=156+(309-23)=355-308+308=846+279×3=453-224=456-(79+238)=391-145=453+829-213=245+669+247=294-63=297+37-217=406-114×2=332-130-99=413+(395-107)=39×4+457=720+704+447=126×7-23=835+863=872-706+856=896+(726-108)=124+111×7=537-128×2=287-(168-29)=871×(310-307)=382-129×2=795-293-46=285×2=206×3=403-200=159-38=721×(416-412)=922+864+506=137+(414-391)=767-521-97=267-21-141=873+535+688=146+210=433+86×2=273-(47+165)=33+57×9=4/10+2/10=492-44=304-(315-152)=316+(55-26)=45+117×2=362-317-15=331+20-156=60×9=51+47×4=956-139×5=444+187=935-37×2=520-460=530-204=429-411-13=429-276=435-277+194=229-(21+147)=95+257+447=468-(266-243)=104×6+406=106-(170-149)=813-158-535=54×8-171=568+76+257=987+(684-321)=421-(223+87)=282-38×5=994×7=458×(454-446)=430-(653-606)=125+73×7=97×6=377-(228-143)=36×9+93=658+321=141+183=358-(39+188)=966+(824-413)=33×(271-266)=978-720+690=620-476+257=377-(342+11)=67+304-61=275+116+312=343+199+405=397+(110-91)=39×(264-256)=33×(439-433)=784+754+532=46×7+723=6/8+2/8=233×4=220+108=922-134×6=299×4-858=850-(149+263)=150×4+449=550+579+938=226×(113-109)=846-(145+210)=4/6-1/6=124+79=258-13×2=254×2+612=353+61=423-(383-199)=245+136=18×(275-272)=102×8-95=879-319+573=734-113-529=580×5=165+327-366=865×7-762=183+(487-109)=80+69×2=587-(513-34)=185×3-44=500-(160+27)=219-(391-223)=161+(466-114)=497-78-178=476-433=497-31×8=589-(592-60)=306-182+304=326-(211-94)=847-659-179=382+(49-20)=278-(934-778)=57×7=486-(48+106)=484-25=178-163=411+(430-358)=251+294=参考答案63×3+27=21628×(55-51)=1121/5+3/5=4/5156×4-623=1526×7=3682735+(964-295)=140417×2+471=505133×3+482=881137×(414-409)=685133+25×7=308121+523+178=822970+(413-388)=995306-44×4=13024×2=48180+386+186=752358-196=162455×(792-787)=2275859+(664-199)=1324822×7=5754175+118+485=778214+67+433=714245×3-192=543150+(202-41)=311845-367+471=949327×6=196287+208=295143-16×5=6345×(448-443)=225237×7-830=829184-(205-60)=39124×4+675=1171386-267-44=751/8+3/8=4/8409-(50+131)=228261+125=386145+44-10=179907-185-305=417208-(18+105)=85298-28+77=347294-(157+34)=103527-230=297149-42×3=23382-185+59=256414-(29+191)=194116×(170-164)=696260+84=34462+26×2=114654-517=137136-(106-80)=110292-(215-51)=128682×(812-807)=3410421-51×4=217315×3=945956-(876-318)=398238-112=126199+899+34=1132189+(794-407)=576273-80=193219-63-151=561×6+383=749791×7-487=505072+386=458662×3-362=1624151×6=906253+237=490210-28×6=42162+304=466616-166-353=97457-(204+118)=135418×2-134=702860-231×3=167100×9=900141+218=35917×8=136959-19×7=82625×6=150588+933-167=135474×(14-10)=296137×(414-407)=959546×(468-463)=273085+188+616=889896-55=841944-108=836402-69=333188+17×9=341657-(449-274)=482464-390+331=405728+214-665=2773/8-2/8=1/8148×5=740216+87×7=825812-71×8=244458+457+153=1068929-(25+442)=462482+(132-15)=59986+194×4=862356-(340-192)=208183+(333-223)=293995+(543-44)=14942/5+3/5=1696+(211-52)=855608-(76+381)=151887×5=4435440-(64+361)=15484-148+42=378438×4=1752671×3-791=1222313-151-128=34917-480=43775+231+505=811433-(875-818)=376409-174-222=13784-43+889=1630287+249=5363/8+2/8=5/8383-33-78=272996-(274+531)=19176+111=187333+838-728=443329×(480-475)=1645292+86×8=980107+(916-103)=920361-304+220=27796×8=768899-839=60201+139-262=78256-180=76367-(421-365)=311184×8=14724/10-1/10=3/10449-352+294=391547+266-59=75472-48+174=198857-(26+576)=255492×9=4428937-199×4=141305-96+215=424493-11=482177+382=559174+(786-642)=318195×4=780893+101-605=389498-186×2=126906-(88+645)=173150×6-610=290498+(960-831)=627709-(215+248)=246463-283=180792+61+915=1768578×7=404660×9-433=107423-298+142=267240×3-209=511869+995-459=1405479+868-712=635901+815-914=802825-35-487=303114+360+344=818608-136=472311-(86+51)=174805×(484-480)=322027+178×4=739113+162-44=231182+230=412687+745-146=128679×(72-68)=316193+215=408356-26=33089+14+86=189494×3-293=1189475-(306-136)=305327-70×2=187489-369+282=402881-269×2=343900+307+644=1851200-76=124882×(262-254)=7056422×8-786=2590352-(85-65)=332506-(425-75)=15625×4+83=1833/7-2/7=1/7939-(343+96)=500364-186-108=7088×6+52=58090+165-209=46265+126-50=341149×(411-407)=596401×8=32081/3+2/3=1246+251=497174+167=34166+241+331=638390×2=780188×(50-47)=564954-242×3=228649-291-321=37704-400+612=916952-31-100=82170×8=560540-227-125=188126+(590-513)=2034/8+2/8=6/8143+(66-24)=185607×3-404=1417184×(106-102)=73672+127×2=326101×7=707342-165-139=38396+(470-310)=556937-930+159=166716-102×5=206198-70+39=167709×8-503=5169247+(373-201)=419746×7=5222763+892=165566-15+131=182139+399=538492-128×3=108312-223+307=396539-443+658=7541/8+4/8=5/877×(341-334)=539950-105×4=530466+207=673979-370-540=69592×6-474=3078275-29×2=217394-368=26292+219=511136+249-338=47438+(257-97)=598256+(179-53)=382806+247-65=988371×2=742929+871+548=234814×3+653=695214+(85-26)=273263-61×3=80244-111=133753-459+156=450333+593+84=101019+(750-637)=132203×3+195=804140+(548-397)=291730-385-10=335417-208=209727×(682-675)=5089165×4-480=180592-22×7=438440+296+25=761901×(160-153)=6307413×4-372=1280621-(183+102)=336246×3+161=8995/8-2/8=3/8875-174=701400-183-207=10337-231=106630+74×5=1000675-(442+62)=17175×(138-133)=37527×7+299=488318×(97-90)=2226317-301=1635×(452-447)=17555×5=275378-87×4=30256-234=22346-286+307=367409+(618-76)=951728×(122-114)=582486+98+163=347528-(355-192)=365220+82=302428-(331-315)=412153-(102+10)=41846-266×3=48417-16×5=337336+112=448167×4+619=1287121×(85-78)=84762×7=434291×(285-282)=873406×2-269=543209+257-107=359133×4+853=1385431-75×3=20697×9=873395+224+112=731113-(73+15)=25619-(382-127)=364239-(223-221)=23739+34×9=345464-340=124868×(331-323)=6944479-115×3=13421×(434-425)=189361-143=218870+665+227=1762206-67×2=72190+803-591=402332-296+113=149280+131×4=80491×(407-400)=637439-(425-321)=335372+(326-97)=601929-(685-234)=478386+72-136=32213+245-98=160590-494+493=589435-311=124518-386=132662×(28-19)=5958670-149-465=56227-(190-169)=206393+99-440=52426-221-51=154260×(254-251)=780400+282+34=716965-622-107=236717-(298+387)=32366×2-618=114837+528+643=2008729+(488-483)=73458×(95-89)=348696-40×9=336420-266+314=468340+694-534=500286+183+506=975238+212=450231-143=88156×3=46813+234+716=963271+(251-149)=37332×(409-400)=288232-(408-302)=126349-344+331=33680×3=240208+116-46=278432-400+457=489726×6=435649×(296-291)=245633-(854-531)=310306-(251-121)=176219-(142-64)=141911×9=8199172+(987-195)=964448-393-49=699+529-49=57942+(935-637)=340358-(290-198)=266927-(218+72)=63716×4=64379+53-50=382221+351+86=658831×(258-250)=6648398-(662-354)=90488-(17+407)=64688+423+988=2099181×5-442=463456-175-229=52310-35×5=135453+(452-207)=698104×(270-261)=936757-336=421355+90-315=130107×4=428480+896=1376293×3-138=741421-32×4=293861-126-611=124428-294+286=420970+472-202=124029+566+219=814934+315+307=1556278+375+55=708363-40-276=47710+732-768=674771-(65+141)=565344+(160-151)=353377-222=155739+381-769=351693-(576+96)=21391-333=58733+487×2=1707124×6+559=1303318+222×2=762941+(588-452)=10771/7+3/7=4/7924-(413+266)=245971-356+600=1215814-169+16=661601-301+909=1209176+316-109=383355×6-307=182386+346=432324-209+445=560221+318=5394/10+5/10=9/10951-53-114=784461-245-100=116169+(183-49)=303440-151-50=239104×3=31257-10+299=346792-81×9=6353×7=371165×8=1320817-157-189=471753-282-129=342384×2-72=696260+542-655=147977+276=1253353+(632-630)=355646×2-351=94161×7-126=301382-126-14=242301+39-149=1912/7-1/7=1/7758-171×4=74492×6-645=2307103×(269-260)=927845×7=5915822+542-22=1342480-27-214=23977×9-282=41192-(382-341)=51850-(389+335)=126668-245×2=178301-253=48703+162+113=97864×7-418=30204+777=981776-298=478993-(328+394)=271788+(627-459)=956998+579+750=232742+106×2=254561+826=1387731-(472-245)=504438-(276+13)=149154×7=107835+193=228319+910-762=467170×7-415=775292+491=783211+(230-146)=295500-(53+434)=13426-(257+82)=87572-313+466=725139×6-62=772186+105-149=142765-(26+321)=418954-90-639=225373×2=746691+919+778=2388248-(224-219)=24366+591+53=71045×4=18051×5=255197×5-706=279942-553-352=37583+127×6=1345834-209×3=2074/9-2/9=2/9684×4-921=1815943×(464-458)=5658994-(307+408)=279227-(19+20)=188242+325=567212+(344-149)=407171×4-537=147320+916-404=832553-(337-285)=501180×(306-301)=900203+21×6=329292+448-730=10474-275+21=220356+803+323=1482298-154-115=29285+(481-117)=649448-24-261=163434-194+734=974566×7-533=342983×(56-53)=249436-(779-616)=273821+215+387=1423629×9-569=5092261-206-20=3566+312-107=271990-(375-294)=909364-35×2=294296-122+215=389571-98×3=277661-(693-122)=90261-12×9=153277×3+35=866815+515-249=1081381+(880-775)=486462-(79+33)=3502/6-1/6=1/6746×7-969=4253491-341+894=1044308+(164-148)=32472+22=94115×2+24=254162+57=219249-(252-190)=187255×2+244=754370+62-96=336358+442+542=1342389-280+260=369974+747-751=970620-289×2=4229×8-142=90655-(365-216)=506159+293=452754+771=1525865+787-974=678136+331=467639+398-991=46512+771+510=1793976-(342-267)=901264-87=177711+(484-216)=979859+336-814=381383+108-95=39676×(136-127)=684839×9-298=725385+191-230=46123×4+237=729475-233+84=326459-36-163=260712-281=431117×3+392=743395+178+68=641512+299-458=353442×7-196=2898880-(32+762)=86377-134-192=51338-(177+75)=86421-241-66=11485×2+119=289472-48×6=184111×7-293=484817-(582-237)=472711-(66+30)=615208-(448-347)=107165+257=422346×(676-668)=2768360-324+437=473344-(175+12)=157910-76×8=3022/4-1/4=1/4999-(563-164)=600674×5-48=3322105-77=2871×8=56871+79-16=134843-168+476=1151133-74=59427-(299-126)=254593×8-68=4676278-25-79=174945-861+330=41492+163=255157×4-481=147359-44=315168×4-258=414850-(688-479)=641894+813+964=2671330×2-631=293/7-1/7=2/7889+968=1857246-16×3=198280-29×3=1933/6-2/6=1/6613+110×4=1053127+261-96=29279+(151-149)=81283+132-350=65519×(122-118)=2076749-(796-608)=561353-34×7=115297×2+39=6333/8-1/8=2/8916-350+101=667892-(613+86)=193586-409=177937×5=4685866-399-460=7151×(165-162)=453492-405-73=14578-(549-282)=311451+101×6=1057803-665=138263+152=41553×(394-385)=477399+(639-505)=533203-24+315=494163+228-136=255700+972+354=2026624+(626-159)=1091360-117-102=141474+379=853350+(427-195)=582767+846+591=220412+31+160=203198×2+195=591847-550=297481-(98+237)=14648+(789-788)=49415×4=1660494-91×2=31261×8-64=42496+564+88=748201-22-139=40637+166=803350-124-147=79811-267=544459-39×5=264919-84=83567+211+657=9351/6+2/6=3/6622×6-239=3493845×2=1690351-(499-149)=1693-(728-605)=570313×2=626954-25-512=417223+251×3=97679+566+169=814319-(719-603)=203263×3=789864-(273+367)=224184+491+148=823139×4+748=1304102+295=397407-105=302197+501+78=776378-(74+281)=23325×(253-250)=975881+527-796=61294×2=188399-27=37290-43×2=4206×4+150=974395-104-71=220618-14+189=79389×9=801258-200+48=10694+349=443419-233+159=345961-(37+131)=793292×2-292=292461-(473-218)=206840×(762-757)=4200118+146=264310-28×4=198393-25×5=268334-(226-35)=143476+108+96=680293+62×6=665919+356+424=1699267×(49-44)=1335184+17×5=269735-30-258=447148×3-440=4490-446+302=346925-832=93319-(12+52)=255177+462=639497-(222+275)=0916-188×2=540473+(389-28)=83451+458-98=411329×9=2961438-16+10=432429-(177+113)=139372-131=24117×5-20=65114+179+576=869103×(772-768)=412241×3-193=530796-(123+348)=325980+(629-250)=1359776-231=545154×(181-178)=462281-(56+109)=116594-195+486=885234×(220-217)=702328+138×7=1294232-16+119=335300-28-191=81231+(46-42)=235515+278=793197+178-104=271405+92=497267-(135+36)=96757×2=1514710-(146+131)=433320-272+15=63252+174+397=823772×(652-647)=386059+178=237343+79=422749-25×2=699367×7-406=2163581×8=4648807×4=