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423-77+54=361-64-280=429-238=270-25-245=86-(45+37)=73+296×3=134+777-477=901+(907-738)=960+163×2=94×(64-59)=855-295-94=486-(479-300)=928+706=73+423+187=381-234+16=600×(823-819)=275-29×9=406-71×3=347-(253-151)=183×4+446=480-163+136=42×(40-37)=596-126-71=646+32×2=449-268=50-47+595=215×4=79+206-220=15+59×3=338+442=196×(366-362)=23×5=426-100-53=171+279-407=281×2=244+(100-64)=126×(775-766)=747×7-12=187+115-161=696-470=23×9=60×4+450=610-34=245-87-83=679-(931-928)=421-182+970=646+356+345=487-362+183=137+246=862+(996-704)=107-18+220=897×6-981=485×2-628=32×(190-182)=588-38+546=436+62×3=10×7+939=712-(426+171)=146×6=859+11+89=240×2+518=265+396=196+185-318=640+19×6=893-37-218=821-290+409=531-(222+83)=347-(40+302)=189-(140+37)=476-(65+106)=495-(63+371)=486×(397-388)=219-50+145=428-234-81=215-142+315=887-(369-190)=24×8=949-780=976+269+411=577-304=82×9=208+(300-234)=331-10×7=428-250-144=91×6=279-194=197×4=581+610-647=416+638+755=52+115=313-(497-270)=188×4-609=330+154=90+262=371-153-45=981-169=125×3-104=62×3+39=315+165-453=495+105×2=61×(454-445)=669×(48-40)=144×3=455-385+414=51+382-181=760-15+227=656+110+11=874-491+503=946+130×4=513×(735-731)=103×4=255-(145+58)=375-237+32=451-71=263+58=499-(175+104)=704×6=280-30×5=556-(122+149)=15×4=488×(217-213)=353×8-908=461-327=835×7-150=340-40×3=665×2-819=56×8=443-(392-79)=450-96=983+503-87=780-269=321-12-264=878-(163+114)=600+(986-807)=6/8-1/8=144-95+213=81+183-173=819-83×2=647-353+726=938-(615+95)=463-360+281=38×(155-152)=406+925-263=619-(771-360)=346×2=354-(415-286)=317+(756-497)=208+97=166×2+19=718+22+232=128+372-283=418-(153+112)=231-(74+144)=83+83-67=768-172=743+755+405=370+105=773×8=322×(172-169)=897×(476-470)=726-(968-523)=354+140-257=348-234+239=677-204-341=475×5=335+110=364-67-253=703+285-491=220+737=453-17×2=757-(389-382)=772-(309+16)=773+970=508+790-189=206+(632-627)=24×6+139=149-119=12×7-82=243×2=754-(30+428)=354+30×3=234+190=89+(238-69)=39×(187-184)=415-(309+51)=620-82×7=362+(498-59)=449+132+210=115×3+27=159+115=822-209=144+74+702=291×6=230×9-291=330×4-448=791-(726-381)=358-(382-162)=494-248=882×(216-213)=205-145=481-127=792+32+139=392-179-130=167×9-302=180×2-254=752-275+321=329+110-220=622-56×2=235-83=11×2+320=566-(792-366)=890-546-207=301+84-147=185+108=428+(897-325)=249-238+120=284-106+60=54+473×2=113×5+476=190-171+54=100×9-277=250-97×2=44×(178-169)=434-78-66=340-18×5=455-(93+86)=888×6=379+(458-403)=928-74×4=53×(442-437)=192-139+436=70×5+200=302-237-13=217×(493-490)=450+202+67=256-133=973-279+631=264+(307-62)=152+184+410=79×(96-91)=101×(736-728)=906+412+795=399+916+152=192-(340-264)=446+828=1/5+3/5=143×(572-565)=361×4-955=627-(97+160)=199-(110-46)=747-54+752=454-(340-290)=890-(500+126)=233-(144-36)=188×(17-12)=716+921+124=663-606=114+338=249-95-88=64×(67-59)=95-11×3=885-(188+380)=443-89-327=439-(113+234)=411-65=70+340-314=500-282-198=289-(203-97)=286-(68+176)=498+(303-194)=175+534=792-204=102-69+186=906-(129+468)=4/8-3/8=274+550+39=720-472-48=367×(304-296)=134+299+165=149×4=623-(861-520)=248+(472-71)=222-82+376=815-(323+431)=328×7-797=35×3-46=124×3+191=413-387+217=312-146=403×6-525=4/8+3/8=197×5-709=416-365=467+473+863=43×(161-153)=133+(378-14)=958-354=319-215=392+97=715-29×9=196-(147-11)=97-82+235=977-138×6=167×(71-66)=420+993-615=214×4=801-(231+91)=394-(846-697)=447-309+116=5/8+3/8=326-(246+29)=320×3-409=189×2-31=5/8-2/8=127×6-395=531+(845-537)=496+680=310-77×4=806-127=604-143×3=152×2+607=565-314=423-14=54×2+309=940+(680-162)=174+287-330=759-62=311+133=280-259+408=146×4=401-110×3=299-(251-118)=365-117-98=4/5-1/5=483-(120+11)=391+148-213=146+283=458+945-947=464-14-327=419+893=3/6-1/6=134×6+764=725+629-776=826×7-10=896-79-807=873×(363-358)=76×3=65×4=441-(414+10)=158+(392-259)=581-316-255=559+219+290=974-642-311=420-(142+19)=711-123×3=411-273+257=635×3-997=425×5-353=597+441+146=189+11×4=720+796=124×8+734=984+99×6=991-(597-221)=246×7-740=112×7-473=113+(358-38)=179×6-857=957-397-345=843-42×8=232×4+390=980-257+249=901×(84-78)=744×9=407-94-126=372+298-362=495+(461-210)=879-530-113=397-384=797+132-434=848-396+755=590-526+833=512+307+180=114+16-42=115×7+64=181×(249-245)=122×7=946-(156+231)=754-(992-250)=132-(158-126)=282+119+379=845×(438-431)=688-(334-109)=544-(655-476)=74+263=550-(910-577)=698×(347-338)=446+923-856=320+118-240=259×(782-775)=369×(511-505)=667-505+208=126+759+535=541+787-180=496+(247-138)=409-(111+51)=256+(183-96)=189×5-793=392+(167-158)=820-43-625=214×2-55=162-86=296+140×4=199+130+66=216+227-20=710-(828-784)=438-45-125=299-168+333=841-(277-99)=36×(223-218)=244×4-925=359-248=311-(393-346)=355×4-344=68×8-334=505+771-438=483×7-990=946-900+202=81×7+292=177-112-53=490-97×3=469-16×8=125+(749-234)=627+(728-295)=470×3=49+625+128=444-211-66=425-84×3=372-(476-121)=459+213×2=167+(393-340)=338+711+56=90×4-218=133+40×6=943-(603+48)=212×4=399+(415-114)=688-(415+53)=476-158×2=251+120=309+462-756=424-(358+29)=306-137×2=153×(261-255)=783-763+332=515+(932-214)=2/4-1/4=310×(74-71)=496-(70+218)=3/5-1/5=481-200=655-614+819=79+125+58=419+13-264=41+450+398=269+57-326=254-233-13=261-32-139=23+469-27=109×(136-130)=409+300+234=352+79×3=895×7=58+(477-36)=694-(541-28)=231-40=657-(48+427)=282+199-263=61+(337-255)=326-(283-132)=850+(377-300)=1/4+2/4=95+93×8=85+228=423+257+130=752-29×6=471+(301-265)=843-(956-773)=390+406=118×7=403+18-247=175-147+423=541×2-19=398-103=814×(471-467)=196+(476-239)=172-(379-290)=531+862=494+(289-52)=616+550-126=102×5-330=4/8+2/8=249-32×6=247+147-222=438-(497-378)=674×(541-535)=391-129×3=941-545+108=460+137+225=272-52×5=142+(451-154)=791×(122-116)=229-17×6=981+17×2=938-418=393-(534-434)=536+61+341=108×9=289+129=514-45=660-136×2=454-(647-214)=352-243=496×2=808×9=885×6=307-55×2=268+(279-111)=861-386-428=493-170-264=44+(944-197)=185×2+855=477×5=355+128×5=205+66×4=34+73-23=1/8+4/8=22+(128-40)=107+(125-33)=340+89=721×2=868-616-40=365×3=55+11=476-(893-640)=265+(488-251)=488-449=136+233=2/6+3/6=293-140+187=111-(129-121)=7/10+3/10=563-(50+391)=560+(600-546)=345×2+992=753-(124+292)=92×(484-480)=590+(671-198)=138+(446-173)=163+(371-353)=179×(353-348)=839-716=470-33-78=493+(417-362)=110×9+964=375+112-252=402-(434-384)=793-464-142=503-242-101=652-488+469=78+99×5=126×6-79=526+438=262×2+298=677+710+775=485-96-87=968-40×8=154×(134-129)=96×5=43+246+39=434+268=775-321-379=8/9-1/9=974-282-682=946-(864+52)=840-366-89=568×9=947+(447-297)=311+(373-266)=587-145×2=364+476+84=3/8+4/8=328-(223-154)=322-195=461×3=367+(837-365)=719-(498-17)=650×2-394=584×6-670=150+325+375=59+209+849=687-311-131=351-(102+227)=371-(478-336)=419×4-336=335+59=299+174+338=276+736-399=330×2+99=471-365-87=962+57+567=301+171-375=488-(282+60)=91+196×2=411×9=315-56=4/6-1/6=493-(188+245)=778-(187+237)=136+(258-154)=744-93×8=44+124=934×7=7/10-1/10=419-149-10=62+802-21=896-(126+323)=375-215+210=477-159-51=180-135+584=461-46×6=369-261+280=470-196×2=76×8-498=272×3-211=315-253=316+144-324=310×3+51=993-261-429=268+140-38=911-(146+338)=3/7+2/7=468-(195+135)=160+333+825=261-134=485+354+526=814+748=436-(357-228)=166+231+58=908+675=483+398+79=36+79+680=267×2-375=566-(138+287)=464+241=833+306-470=670-177-208=278+(748-82)=430-(394-374)=538-314+240=129-25×5=470-209-130=61×2=276-74-113=159×6-626=198-(478-374)=96-46×2=482-23×6=407-84×3=124×7-667=975+(178-125)=188+384+124=290+929-853=61+267=366-70×3=169×4-507=538×8=494-339=742×5-136=814-(683+128)=795+91+96=638+185=84-71+446=854-521+116=270+57=733×9=572-24+805=993-(124+324)=454-65=424×2-150=148+864-871=164+(210-179)=255+104=345×(149-144)=302×3-165=225+79×4=324+322+192=351-(261+54)=404×4=938-(579-171)=486-(481-316)=924×4=269-(47+116)=160×(425-420)=489-165-52=60×7=61+(904-274)=277×2+721=91-61=229+262=290-21+93=293-62=622×(735-728)=242×2-248=651×(14-10)=121×4+66=549-74×5=937×(509-500)=555-413=269+149=6/8-2/8=184-10×8=779-486-132=126×(349-345)=526-(795-547)=19×9=597+865-646=402-53×6=427+279-513=523×2=826+(897-69)=438×2=306-181=162×(353-349)=484-(16+443)=460×2=54-44+453=88×5-423=202+313+861=682+175×2=499-251-128=636×5=626+996+999=63×4+864=303×(294-291)=414-14=70×(62-53)=891+114+243=313+487×2=266+(992-437)=129+319=438-436+87=842+351-665=343-(352-291)=452+211×2=34+426-455=223+101+877=513×5-324=137×7-328=643+(323-305)=388×8-225=218+155-39=689-(267+185)=298+333+175=242+811-851=673-364=568×3-751=213-(12+98)=16+134-82=401-237+130=162×2=178+(278-186)=375-177+466=329+(869-572)=490-(157-114)=463×2+70=60×2+423=340-(206+68)=873×6=964-330×2=133-(148-16)=285-16×4=247×5-219=711+118+817=894-141+542=352-17×9=699-376-224=5/8-1/8=3/8+5/8=468+216+159=250+249×3=563-357+237=52+498+239=177+268=113×(710-705)=493+(547-362)=230-(199-166)=480-(105-73)=334-115×2=196+225×2=58×2=711+152×2=338-78×2=418-91+76=421+21-158=479+(463-432)=1/7+2/7=668+350=389-14×9=912+762+310=213-63=360-106=977-94×2=492-(946-542)=740+371+857=522-169×2=439-179×2=363-44×8=87+311=423-96-70=665-(561-44)=930×(627-624)=192×(334-331)=362×(873-866)=333-(376-278)=802+456+480=267+202=130×7-199=903+826=900-14×6=236-84=648+386=490-(425-318)=220×2=450-56×8=982+724=160+644+107=266+63=172×(391-386)=243×6=814-245×2=114×5=494×2-219=694+604-804=164×(272-266)=127+112=334-119-149=70+339=101-51=38×6-186=621×(948-941)=320-50-175=371-(12+34)=450-(78+234)=385+84-352=950-(311+482)=769+68×4=90+42=481-36×5=317-(215+79)=892-528=113+467=375-140=213-31×2=参考答案423-77+54=400361-64-280=17429-238=191270-25-245=086-(45+37)=473+296×3=961134+777-477=434901+(907-738)=1070960+163×2=128694×(64-59)=470855-295-94=466486-(479-300)=307928+706=163473+423+187=683381-234+16=163600×(823-819)=2400275-29×9=14406-71×3=193347-(253-151)=245183×4+446=1178480-163+136=45342×(40-37)=126596-126-71=399646+32×2=710449-268=18150-47+595=598215×4=86079+206-220=6515+59×3=192338+442=780196×(366-362)=78423×5=115426-100-53=273171+279-407=43281×2=562244+(100-64)=280126×(775-766)=1134747×7-12=5217187+115-161=141696-470=22623×9=20760×4+450=690610-34=576245-87-83=75679-(931-928)=676421-182+970=1209646+356+345=1347487-362+183=308137+246=383862+(996-704)=1154107-18+220=309897×6-981=4401485×2-628=34232×(190-182)=256588-38+546=1096436+62×3=62210×7+939=1009712-(426+171)=115146×6=876859+11+89=959240×2+518=998265+396=661196+185-318=63640+19×6=754893-37-218=638821-290+409=940531-(222+83)=226347-(40+302)=5189-(140+37)=12476-(65+106)=305495-(63+371)=61486×(397-388)=4374219-50+145=314428-234-81=113215-142+315=388887-(369-190)=70824×8=192949-780=169976+269+411=1656577-304=27382×9=738208+(300-234)=274331-10×7=261428-250-144=3491×6=546279-194=85197×4=788581+610-647=544416+638+755=180952+115=167313-(497-270)=86188×4-609=143330+154=48490+262=352371-153-45=173981-169=812125×3-104=27162×3+39=225315+165-453=27495+105×2=70561×(454-445)=549669×(48-40)=5352144×3=432455-385+414=48451+382-181=252760-15+227=972656+110+11=777874-491+503=886946+130×4=1466513×(735-731)=2052103×4=412255-(145+58)=52375-237+32=170451-71=380263+58=321499-(175+104)=220704×6=4224280-30×5=130556-(122+149)=28515×4=60488×(217-213)=1952353×8-908=1916461-327=134835×7-150=5695340-40×3=220665×2-819=51156×8=448443-(392-79)=130450-96=354983+503-87=1399780-269=511321-12-264=45878-(163+114)=601600+(986-807)=7796/8-1/8=5/8144-95+213=26281+183-173=91819-83×2=653647-353+726=1020938-(615+95)=228463-360+281=38438×(155-152)=114406+925-263=1068619-(771-360)=208346×2=692354-(415-286)=225317+(756-497)=576208+97=305166×2+19=351718+22+232=972128+372-283=217418-(153+112)=153231-(74+144)=1383+83-67=99768-172=596743+755+405=1903370+105=475773×8=6184322×(172-169)=966897×(476-470)=5382726-(968-523)=281354+140-257=237348-234+239=353677-204-341=132475×5=2375335+110=445364-67-253=44703+285-491=497220+737=957453-17×2=419757-(389-382)=750772-(309+16)=447773+970=1743508+790-189=1109206+(632-627)=21124×6+139=283149-119=3012×7-82=2243×2=486754-(30+428)=296354+30×3=444234+190=42489+(238-69)=25839×(187-184)=117415-(309+51)=55620-82×7=46362+(498-59)=801449+132+210=791115×3+27=372159+115=274822-209=613144+74+702=920291×6=1746230×9-291=1779330×4-448=872791-(726-381)=446358-(382-162)=138494-248=246882×(216-213)=2646205-145=60481-127=354792+32+139=963392-179-130=83167×9-302=1201180×2-254=106752-275+321=798329+110-220=219622-56×2=510235-83=15211×2+320=342566-(792-366)=140890-546-207=137301+84-147=238185+108=293428+(897-325)=1000249-238+120=131284-106+60=23854+473×2=1000113×5+476=1041190-171+54=73100×9-277=623250-97×2=5644×(178-169)=396434-78-66=290340-18×5=250455-(93+86)=276888×6=5328379+(458-403)=434928-74×4=63253×(442-437)=265192-139+436=48970×5+200=550302-237-13=52217×(493-490)=651450+202+67=719256-133=123973-279+631=1325264+(307-62)=509152+184+410=74679×(96-91)=395101×(736-728)=808906+412+795=2113399+916+152=1467192-(340-264)=116446+828=12741/5+3/5=4/5143×(572-565)=1001361×4-955=489627-(97+160)=370199-(110-46)=135747-54+752=1445454-(340-290)=404890-(500+126)=264233-(144-36)=125188×(17-12)=940716+921+124=1761663-606=57114+338=452249-95-88=6664×(67-59)=51295-11×3=62885-(188+380)=317443-89-327=27439-(113+234)=92411-65=34670+340-314=96500-282-198=20289-(203-97)=183286-(68+176)=42498+(303-194)=607175+534=709792-204=588102-69+186=219906-(129+468)=3094/8-3/8=1/8274+550+39=863720-472-48=200367×(304-296)=2936134+299+165=598149×4=596623-(861-520)=282248+(472-71)=649222-82+376=516815-(323+431)=61328×7-797=149935×3-46=59124×3+191=563413-387+217=243312-146=166403×6-525=18934/8+3/8=7/8197×5-709=276416-365=51467+473+863=180343×(161-153)=344133+(378-14)=497958-354=604319-215=104392+97=489715-29×9=454196-(147-11)=6097-82+235=250977-138×6=149167×(71-66)=835420+993-615=798214×4=856801-(231+91)=479394-(846-697)=245447-309+116=2545/8+3/8=1326-(246+29)=51320×3-409=551189×2-31=3475/8-2/8=3/8127×6-395=367531+(845-537)=839496+680=1176310-77×4=2806-127=679604-143×3=175152×2+607=911565-314=251423-14=40954×2+309=417940+(680-162)=1458174+287-330=131759-62=697311+133=444280-259+408=429146×4=584401-110×3=71299-(251-118)=166365-117-98=1504/5-1/5=3/5483-(120+11)=352391+148-213=326146+283=429458+945-947=456464-14-327=123419+893=13123/6-1/6=2/6134×6+764=1568725+629-776=578826×7-10=5772896-79-807=10873×(363-358)=436576×3=22865×4=260441-(414+10)=17158+(392-259)=291581-316-255=10559+219+290=1068974-642-311=21420-(142+19)=259711-123×3=342411-273+257=395635×3-997=908425×5-353=1772597+441+146=1184189+11×4=233720+796=1516124×8+734=1726984+99×6=1578991-(597-221)=615246×7-740=982112×7-473=311113+(358-38)=433179×6-857=217957-397-345=215843-42×8=507232×4+390=1318980-257+249=972901×(84-78)=5406744×9=6696407-94-126=187372+298-362=308495+(461-210)=746879-530-113=236397-384=13797+132-434=495848-396+755=1207590-526+833=897512+307+180=999114+16-42=88115×7+64=869181×(249-245)=724122×7=854946-(156+231)=559754-(992-250)=12132-(158-126)=100282+119+379=780845×(438-431)=5915688-(334-109)=463544-(655-476)=36574+263=337550-(910-577)=217698×(347-338)=6282446+923-856=513320+118-240=198259×(782-775)=1813369×(511-505)=2214667-505+208=370126+759+535=1420541+787-180=1148496+(247-138)=605409-(111+51)=247256+(183-96)=343189×5-793=152392+(167-158)=401820-43-625=152214×2-55=373162-86=76296+140×4=856199+130+66=395216+227-20=423710-(828-784)=666438-45-125=268299-168+333=464841-(277-99)=66336×(223-218)=180244×4-925=51359-248=111311-(393-346)=264355×4-344=107668×8-334=210505+771-438=838483×7-990=2391946-900+202=24881×7+292=859177-112-53=12490-97×3=199469-16×8=341125+(749-234)=640627+(728-295)=1060470×3=141049+625+128=802444-211-66=167425-84×3=173372-(476-121)=17459+213×2=885167+(393-340)=220338+711+56=110590×4-218=142133+40×6=373943-(603+48)=292212×4=848399+(415-114)=700688-(415+53)=220476-158×2=160251+120=371309+462-756=15424-(358+29)=37306-137×2=32153×(261-255)=918783-763+332=352515+(932-214)=12332/4-1/4=1/4310×(74-71)=930496-(70+218)=2083/5-1/5=2/5481-200=281655-614+819=86079+125+58=262419+13-264=16841+450+398=889269+57-326=0254-233-13=8261-32-139=9023+469-27=465109×(136-130)=654409+300+234=943352+79×3=589895×7=626558+(477-36)=499694-(541-28)=181231-40=191657-(48+427)=182282+199-263=21861+(337-255)=143326-(283-132)=175850+(377-300)=9271/4+2/4=3/495+93×8=83985+228=313423+257+130=810752-29×6=578471+(301-265)=507843-(956-773)=660390+406=796118×7=826403+18-247=174175-147+423=451541×2-19=1063398-103=295814×(471-467)=3256196+(476-239)=433172-(379-290)=83531+862=1393494+(289-52)=731616+550-126=1040102×5-330=1804/8+2/8=6/8249-32×6=57247+147-222=172438-(497-378)=319674×(541-535)=4044391-129×3=4941-545+108=504460+137+225=822272-52×5=12142+(451-154)=439791×(122-116)=4746229-17×6=127981+17×2=1015938-418=520393-(534-434)=293536+61+341=938108×9=972289+129=418514-45=469660-136×2=388454-(647-214)=21352-243=109496×2=992808×9=7272885×6=5310307-55×2=197268+(279-111)=436861-386-428=47493-170-264=5944+(944-197)=791185×2+855=1225477×5=2385355+128×5=995205+66×4=46934+73-23=841/8+4/8=5/822+(128-40)=110107+(125-33)=199340+89=429721×2=1442868-616-40=212365×3=109555+11=66476-(893-640)=223265+(488-251)=502488-449=39136+233=3692/6+3/6=5/6293-140+187=340111-(129-121)=1037/10+3/10=1563-(50+391)=122560+(600-546)=614345×2+992=1682753-(124+292)=33792×(484-480)=368590+(671-198)=1063138+(446-173)=411163+(371-353)=181179×(353-348)=895839-716=123470-33-78=359493+(417-362)=548110×9+964=1954375+112-252=235402-(434-384)=352793-464-142=187503-242-101=160652-488+469=63378+99×5=573126×6-79=677526+438=964262×2+298=822677+710+775=2162485-96-87=302968-40×8=648154×(134-129)=77096×5=48043+246+39=328434+268=702775-321-379=758/9-1/9=7/9974-282-682=10946-(864+52)=30840-366-89=385568×9=5112947+(447-297)=1097311+(373-266)=418587-145×2=297364+476+84=9243/8+4/8=7/8328-(223-154)=259322-195=127461×3=1383367+(837-365)=839719-(498-17)=238650×2-394=906584×6-670=2834150+325+375=85059+209+849=1117687-311-131=245351-(102+227)=22371-(478-336)=229419×4-336=1340335+59=394299+174+338=811276+736-399=613330×2+99=759471-365-87=19962+57+567=1586301+171-375=97488-(282+60)=14691+196×2=483411×9=3699315-56=2594/6-1/6=3/6493-(188+245)=60778-(187+237)=354136+(258-154)=240744-93×8=044+124=168934×7=65387/10-1/10=6/10419-149-10=26062+802-21=843896-(126+323)=447375-215+210=370477-159-51=267180-135+584=629461-46×6=185369-261+280=388470-196×2=7876×8-498=110272×3-211=605315-253=62316+144-324=136310×3+51=981993-261-429=303268+140-38=370911-(146+338)=4273/7+2/7=5/7468-(195+135)=138160+333+825=1318261-134=127485+354+526=1365814+748=1562436-(357-228)=307166+231+58=455908+675=1583483+398+79=96036+79+680=795267×2-375=159566-(138+287)=141464+241=705833+306-470=669670-177-208=285278+(748-82)=944430-(394-374)=410538-314+240=464129-25×5=4470-209-130=13161×2=122276-74-113=89159×6-626=328198-(478-374)=9496-46×2=4482-23×6=344407-84×3=155124×7-667=201975+(178-125)=1028188+384+124=696290+929-853=36661+267=328366-70×3=156169×4-507=169538×8=4304494-339=155742×5-136=3574814-(683+128)=3795+91+96=982638+185=82384-71+446=459854-521+116=449270+57=327733×9=6597572-24+805=1353993-(124+324)=545454-65=389424×2-150=698148+864-871=141164+(210-179)=195255+104=359345×(149-144)=1725302×3-165=741225+79×4=541324+322+192=838351-(261+54)=36404×4=1616938-(579-171)=530486-(481-316)=321924×4=3696269-(47+116)=106160×(425-420)=800489-165-52=27260×7=42061+(904-274)=691277×2+7