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276-28×3=811×8-663=4/7-1/7=687-(941-630)=937-769=646×8-811=357-(535-356)=617×2=377-86×2=117×3=375-29×5=90×7+132=875-17-525=308-(113+172)=333×(22-19)=251×3=50+46+722=216+(354-83)=381-(238+127)=161+384=332-174=439-31-178=110×8-284=283+915+790=867+796+329=981-371-482=607×6=62×(19-10)=174×(485-481)=395-(283+71)=464-254=36×5+565=736-126×2=758×4=995+163-256=71×2+129=90+(456-222)=223+(174-23)=37+95×6=313-30-263=841-169=371-67-183=378-(67-36)=436+(701-373)=914-(556+22)=381-55×5=132×(226-223)=218×4=354+25-273=471×9-724=453-(424-49)=557×3=15+312-98=331+137=957+991+501=423-340=420-125×2=477-193-245=338-(95+88)=134×7-594=448-117-153=298×3=3/8+4/8=299+186-365=145-85+245=915-(485+200)=787-452+664=990-183=377+349=195+447=463×(633-627)=311-123=882×9-586=407+(318-241)=581+936+728=504-76×3=164×5=518+66+399=698-472=250+(991-479)=929×(508-502)=462-414-12=116×6=227-174=50+63×9=14×(27-24)=758+(457-442)=291+177×3=215-18×2=452×(987-983)=606-322=884-(907-726)=805-75-652=955×(601-596)=630×(298-289)=43×5-211=211+105=43+42+250=284-38-53=869×5=381×2-43=486-274+146=920-552+740=622×(377-374)=382-128×2=690×5-296=821-378+726=318-44×7=816-288+48=185-81×2=207+200=76-30×2=170×5=2/7-1/7=2/3-1/3=183-(233-76)=434-(339+74)=514+124+39=134-(478-447)=668-139-130=725-123=288-(132+71)=191-(474-427)=356-(214-155)=290+387=713-(63-19)=128×2=625+20+125=444×(344-340)=365-(370-195)=262×8=153+269=169+542+259=479-(291+147)=428-106×3=705×3-42=865×5=256-(63+15)=407+91=351+508-446=841+962=653-(424+98)=198+401×2=275-102×2=983+(596-594)=118×3+692=449+(904-161)=877-(616+138)=176-(335-311)=660×3-192=702-102-458=109×5=38×9+705=71×(137-133)=586-27×5=829-(263-72)=690+64×4=34+910+530=818-262-502=870-73-490=422-203=160×6-390=812-(167+40)=341-217-63=661+957+749=153×2+98=243×(197-189)=12+(338-93)=912-278-226=657×5=827×(264-260)=96+328-381=79×(132-124)=219-21-103=97×(139-133)=10+92+223=86×5=48-11+120=240-(294-80)=188×9=462-27=768+(439-41)=933-556+749=409+(954-39)=1/6+2/6=836-(11+274)=515-224+124=232+204-284=437-(351-299)=966×7=92×9+942=877-573+791=95×5=148+98×5=449×2-403=701+134-400=131-39×2=107×4=62+383-192=683×7-982=790-51×2=402-197-125=376-323-36=276-86+58=212+(313-170)=724-110-462=170×3+378=930×9=933+(889-236)=695-(536-275)=607-430=77+261+656=161+36-124=35+247-166=522-155-264=524+(780-697)=944+855-461=743-624=492-182=51-18×2=473-406+984=190+150=136-17×5=19×(452-443)=403-150=570+(775-623)=282-(346-121)=400-(97+103)=422+38×6=906+(944-158)=319+404=905-382-15=478-(327-75)=984+263-325=284+68-251=788-103+398=360-137+25=903-423-415=450-(368+53)=49×(270-267)=1/8+3/8=722-(230+354)=147+315+393=201×4-144=184+305=164×(435-432)=795-10×9=499-36-170=72+43+527=434+(463-199)=247+(205-140)=580×8=221+159×3=879+459+891=91+(492-146)=49×4+259=303+993=936×5=182+197=535-420=163+252-187=521-112×2=38+359-320=260-48×4=324×4-739=41+(176-118)=824+(777-131)=58+873+57=848×(863-855)=403-33-65=74×(197-189)=825-234=277-(111+55)=97×6=41+708+26=801-192×4=146+(462-269)=611+191=443+(317-184)=307+805-776=356×2+669=461×6-972=727+(331-268)=153×5=660+850-490=514-187×2=175×5-151=210+86=148+880-479=136×5+46=68×(88-80)=12+131×6=987×(304-300)=145×4+517=121+56×8=253-16-179=491-279=529×3=870-594+50=486-(132+267)=681+977+46=177+838-969=756-(580-177)=340-(426-418)=286×3-746=950-400-148=380-351=500-53-114=387×2-725=897-630+167=942-(320+284)=5/10-3/10=396-(53+53)=36×(438-432)=749+(437-273)=762-(847-535)=3/8-2/8=343+24-124=483+(320-142)=412+58-100=220-(60-39)=12+(244-204)=71+435×2=477-(220+188)=968+974=339-232=198×2=550×7=53-32+406=85×(16-13)=322+66-191=684-561=257+340×2=324-(190-109)=373-128-135=42×8=387-(363-184)=367+126=628-391=494-66-10=34+432-379=170-45×3=278-27×3=196+166-21=655+139-425=524-(958-465)=112+246-53=148+368+36=689+318+854=671+113+173=324+25-325=172-22=766+(896-25)=433-(147-132)=4/8-3/8=192×4-575=402-278+263=22+(370-129)=120+237=551-(782-451)=223×3-528=866×(493-489)=440×2=19+520+80=295-92+262=165+(449-236)=148×3+176=338+353+657=227+184=295+529-295=837-61-631=517+851-971=321×3+157=428+367+997=91+237-292=239+249=328-(85+144)=114×7-662=967-23×8=751-527+268=462×2-22=489+578+621=127×(189-183)=492-(258+37)=259+61-273=552-239-161=457+204=135+(305-258)=478-163-62=284+538+238=755-(922-301)=913×(727-722)=744-197-386=334-183+348=567+27×2=328+(784-157)=490-(364-39)=100-52=610-388=254×(742-738)=717+797+825=179+286=55+50-13=692-(155+314)=485-278-64=227-69=79+194+43=168×(417-414)=690-235-263=387+(237-171)=514-220+468=175+132-39=497×(407-404)=964-(469+318)=464-(75-46)=254-53-175=778+676-180=1/8+5/8=480-(625-613)=18+452+255=521+120×7=881-(527-19)=345×7-887=449-(890-609)=276+309+385=122-86+185=884-214=648+45-470=180+233+386=77-19×2=289+(174-53)=900-(120+585)=368-312+94=206×2-173=611+855-656=351×2+41=288-226-21=391-170-43=489-190=4/5-1/5=428-17×4=848-(551+278)=375-121=785×(766-759)=906-426-273=83×8-468=446+688-34=403-364=461-192=676+(774-661)=195-(51+28)=489-(253+10)=5/8+2/8=254+244+435=823+147-611=194×9-189=633×4-269=461-132-104=414+(483-79)=4/7-3/7=312×(794-790)=401+24+291=385+704-296=198×5=483-379+166=352-(825-602)=458-347+13=149×7=240-(36+174)=708×2-877=151+72=4/8+2/8=491-(42+303)=103-83=406-(381-216)=217×3-184=81×(468-459)=112×(24-21)=985×4=246×3-304=199×(841-838)=280-107=330+155-312=924-213-681=434-207=724+62+540=71+641+429=67×3+171=137×4-41=55×4-147=160×(337-333)=141+(387-12)=926-166=389-325=55+159=732-58×7=488-49×2=117+288=316×2+223=356+217=393-233+165=411-172-208=146-14×2=772+150×2=730-577+382=853-246+232=443-430=36+494+451=336-(378-258)=773-(69+431)=342+21×7=96×3=161-137+147=464-84-187=471-309=876-(554+240)=737-217=693+63×8=492×2-418=30+(709-405)=393+(307-138)=156+(465-149)=421-343+16=552-536+613=213×3=303×(841-836)=404+616-81=690-(906-543)=263+647+361=549-(289+170)=355×9-886=455×(661-658)=324-83=823-563+176=485-(70+367)=484-80-256=88×4=70+162=97×5-247=574+693-340=291-242=634×4-505=413-(149-136)=526×(443-438)=470-40×8=157+128×3=1/3+2/3=429-337-47=203+655+981=514-101=473+(236-41)=957-(11+303)=43+198+699=1/7+3/7=27×2=448-275=669-(483-192)=570-48×9=721×6=289-(482-234)=934-95×7=249+131=363×2-283=837-(492+251)=753+(761-653)=958+68-664=633+(538-97)=206-20×9=347+(492-433)=41×3=436-241+27=399-345+433=409-229+263=253+117×5=531×5-910=920-55-372=255+66=826-451=120×7+732=851-(117+85)=187+264=64+884-353=404×2+138=81×8-402=188-26×5=6/7-1/7=318-68×3=570-169×3=185+249+654=905-315-182=782-27-110=53+444-162=70+105-47=797+940-169=133+(264-177)=363-251=500×2-559=111+77=339+107-77=725×(135-131)=18×2+389=211+454=187+(477-425)=88-81+348=210+194×4=170+(188-78)=409-(200+133)=339+431=336+(462-225)=64+320=140+(433-431)=228×2=459+(286-138)=727+153-361=1/6+4/6=240-153-42=382+69=107×(415-406)=268×2-238=14×(365-359)=851-(720+54)=789-607+83=605-175=900×6-274=33+138=778-211×2=845-198×2=131+82=768-477=354-134+62=158-(681-626)=480-(51+107)=614×3-768=451+211+164=304+(486-54)=352-(442-282)=681-356+982=450+94+212=321-(100-70)=639×8=3/5-1/5=896-(306+39)=98×9=444×4-666=63×(81-76)=273+165+436=476-(348-79)=105×5-418=651×4-430=615-224=841-265+622=286-85×2=742×(925-920)=236×3+268=241+(413-400)=202×2=89×7=750+615=62×9-241=162+(502-460)=782×4=772×(874-865)=809+525-733=129-28×4=484-414=37×(123-116)=873-494+788=77+472+363=764+142×4=320-24×8=168-135=379-307-43=887×3=221-67+288=802-88×8=155+681-658=5/8-1/8=857-484=39×2=124×9-333=655×(919-915)=257+23×8=322-33×7=646+(918-755)=441-(44+132)=205-22×8=377+97-352=708-41×2=312-37+124=924-484-101=181×4-174=56+286=587+906=828+(473-194)=93×4+370=12+56=911-(91+523)=407×2=351-155×2=411-(50+26)=452+30-71=16×8=384+95=227-(418-325)=471-249+233=30+895+34=574-335-107=73-24+381=302-(48+212)=244+356+140=1/5+2/5=836+223=890+510-491=238-139+140=423-(274-162)=256-(257-243)=89×(52-49)=460-244+218=274+527+73=31×7+42=955+(733-502)=199×4-493=652+549=303+801=475+854-608=12+314×3=91+293=240-(543-537)=296-206=783×6=136+121×2=371-318-27=363×2+283=382-(79+267)=767-(148+569)=74+399=173+53=66×8+379=404-49-135=684-221-323=653+389=319-(229-66)=115+628+41=756-(43+256)=374-20×7=801+339+969=864-(829-237)=888+963+477=657-(583-404)=6/10+4/10=107×(341-333)=185+479=852-(57+771)=49×4=218+42=286×2+796=113×5=299×(59-56)=87-23×3=113×(415-408)=527+115×8=183+(474-63)=448-(117+113)=944+94×2=329+20×3=461+248+891=201+542+440=159-(448-295)=445-(645-451)=420-322+381=235×3-520=142×(956-950)=154×2+474=240×4=264×3-31=889+54+491=452-(44-30)=99×6=620-(504-494)=182-17×9=49-(250-247)=891-455-271=911-48×8=390-(40+95)=975×5=546×5-510=768×(693-690)=889×8=923-(599-378)=2/4-1/4=136×3=757+(92-58)=469-412+339=59+986+496=568-(525-501)=329-38×2=809+71×3=119×7+375=934+132-560=82×(139-134)=621-(175+249)=666+53+448=81+20=155×(193-188)=897-358+624=138+271+503=811-418+856=212-171+178=421×2-621=155+73=806+197=547-(43+87)=149×3+332=577-344+387=627+462=294+488=417-248+94=137+146-267=368-(764-617)=968-120×3=24+280-16=429×2+322=91-41+275=199×4-288=336×3-163=58×(433-425)=980-515=62+38=160-115-39=783×8=306-162-60=474-(209+255)=483-458=296-11×5=487-(71+333)=83+120×6=38×(407-398)=12+351-53=988-206×4=442+20×3=59+340+777=681-(43+334)=456-324=427-60×6=845-(36+709)=388-250=164-82+60=2/8+3/8=423+(305-286)=155+664=463-55×8=575×(902-899)=552-(256+196)=191-50-140=756×4-458=765-40+594=362×5-507=454-438+938=315-99=636-473=704-170×2=540-306+101=386+100+105=363-(183-69)=参考答案276-28×3=192811×8-663=58254/7-1/7=3/7687-(941-630)=376937-769=168646×8-811=4357357-(535-356)=178617×2=1234377-86×2=205117×3=351375-29×5=23090×7+132=762875-17-525=333308-(113+172)=23333×(22-19)=999251×3=75350+46+722=818216+(354-83)=487381-(238+127)=16161+384=545332-174=158439-31-178=230110×8-284=596283+915+790=1988867+796+329=1992981-371-482=128607×6=364262×(19-10)=558174×(485-481)=696395-(283+71)=41464-254=21036×5+565=745736-126×2=484758×4=3032995+163-256=90271×2+129=27190+(456-222)=324223+(174-23)=37437+95×6=607313-30-263=20841-169=672371-67-183=121378-(67-36)=347436+(701-373)=764914-(556+22)=336381-55×5=106132×(226-223)=396218×4=872354+25-273=106471×9-724=3515453-(424-49)=78557×3=167115+312-98=229331+137=468957+991+501=2449423-340=83420-125×2=170477-193-245=39338-(95+88)=155134×7-594=344448-117-153=178298×3=8943/8+4/8=7/8299+186-365=120145-85+245=305915-(485+200)=230787-452+664=999990-183=807377+349=726195+447=642463×(633-627)=2778311-123=188882×9-586=7352407+(318-241)=484581+936+728=2245504-76×3=276164×5=820518+66+399=983698-472=226250+(991-479)=762929×(508-502)=5574462-414-12=36116×6=696227-174=5350+63×9=61714×(27-24)=42758+(457-442)=773291+177×3=822215-18×2=179452×(987-983)=1808606-322=284884-(907-726)=703805-75-652=78955×(601-596)=4775630×(298-289)=567043×5-211=4211+105=31643+42+250=335284-38-53=193869×5=4345381×2-43=719486-274+146=358920-552+740=1108622×(377-374)=1866382-128×2=126690×5-296=3154821-378+726=1169318-44×7=10816-288+48=576185-81×2=23207+200=40776-30×2=16170×5=8502/7-1/7=1/72/3-1/3=1/3183-(233-76)=26434-(339+74)=21514+124+39=677134-(478-447)=103668-139-130=399725-123=602288-(132+71)=85191-(474-427)=144356-(214-155)=297290+387=677713-(63-19)=669128×2=256625+20+125=770444×(344-340)=1776365-(370-195)=190262×8=2096153+269=422169+542+259=970479-(291+147)=41428-106×3=110705×3-42=2073865×5=4325256-(63+15)=178407+91=498351+508-446=413841+962=1803653-(424+98)=131198+401×2=1000275-102×2=71983+(596-594)=985118×3+692=1046449+(904-161)=1192877-(616+138)=123176-(335-311)=152660×3-192=1788702-102-458=142109×5=54538×9+705=104771×(137-133)=284586-27×5=451829-(263-72)=638690+64×4=94634+910+530=1474818-262-502=54870-73-490=307422-203=219160×6-390=570812-(167+40)=605341-217-63=61661+957+749=2367153×2+98=404243×(197-189)=194412+(338-93)=257912-278-226=408657×5=3285827×(264-260)=330896+328-381=4379×(132-124)=632219-21-103=9597×(139-133)=58210+92+223=32586×5=43048-11+120=157240-(294-80)=26188×9=1692462-27=435768+(439-41)=1166933-556+749=1126409+(954-39)=13241/6+2/6=3/6836-(11+274)=551515-224+124=415232+204-284=152437-(351-299)=385966×7=676292×9+942=1770877-573+791=109595×5=475148+98×5=638449×2-403=495701+134-400=435131-39×2=53107×4=42862+383-192=253683×7-982=3799790-51×2=688402-197-125=80376-323-36=17276-86+58=248212+(313-170)=355724-110-462=152170×3+378=888930×9=8370933+(889-236)=1586695-(536-275)=434607-430=17777+261+656=994161+36-124=7335+247-166=116522-155-264=103524+(780-697)=607944+855-461=1338743-624=119492-182=31051-18×2=15473-406+984=1051190+150=340136-17×5=5119×(452-443)=171403-150=253570+(775-623)=722282-(346-121)=57400-(97+103)=200422+38×6=650906+(944-158)=1692319+404=723905-382-15=508478-(327-75)=226984+263-325=922284+68-251=101788-103+398=1083360-137+25=248903-423-415=65450-(368+53)=2949×(270-267)=1471/8+3/8=4/8722-(230+354)=138147+315+393=855201×4-144=660184+305=489164×(435-432)=492795-10×9=705499-36-170=29372+43+527=642434+(463-199)=698247+(205-140)=312580×8=4640221+159×3=698879+459+891=222991+(492-146)=43749×4+259=455303+993=1296936×5=4680182+197=379535-420=115163+252-187=228521-112×2=29738+359-320=77260-48×4=68324×4-739=55741+(176-118)=99824+(777-131)=147058+873+57=988848×(863-855)=6784403-33-65=30574×(197-189)=592825-234=591277-(111+55)=11197×6=58241+708+26=775801-192×4=33146+(462-269)=339611+191=802443+(317-184)=576307+805-776=336356×2+669=1381461×6-972=1794727+(331-268)=790153×5=765660+850-490=1020514-187×2=140175×5-151=724210+86=296148+880-479=549136×5+46=72668×(88-80)=54412+131×6=798987×(304-300)=3948145×4+517=1097121+56×8=569253-16-179=58491-279=212529×3=1587870-594+50=326486-(132+267)=87681+977+46=1704177+838-969=46756-(580-177)=353340-(426-418)=332286×3-746=112950-400-148=402380-351=29500-53-114=333387×2-725=49897-630+167=434942-(320+284)=3385/10-3/10=2/10396-(53+53)=29036×(438-432)=216749+(437-273)=913762-(847-535)=4503/8-2/8=1/8343+24-124=243483+(320-142)=661412+58-100=370220-(60-39)=19912+(244-204)=5271+435×2=941477-(220+188)=69968+974=1942339-232=107198×2=396550×7=385053-32+406=42785×(16-13)=255322+66-191=197684-561=123257+340×2=937324-(190-109)=243373-128-135=11042×8=336387-(363-184)=208367+126=493628-391=237494-66-10=41834+432-379=87170-45×3=35278-27×3=197196+166-21=341655+139-425=369524-(958-465)=31112+246-53=305148+368+36=552689+318+854=1861671+113+173=957324+25-325=24172-22=150766+(896-25)=1637433-(147-132)=4184/8-3/8=1/8192×4-575=193402-278+263=38722+(370-129)=263120+237=357551-(782-451)=220223×3-528=141866×(493-489)=3464440×2=88019+520+80=619295-92+262=465165+(449-236)=378148×3+176=620338+353+657=1348227+184=411295+529-295=529837-61-631=145517+851-971=397321×3+157=1120428+367+997=179291+237-292=36239+249=488328-(85+144)=99114×7-662=136967-23×8=783751-527+268=492462×2-22=902489+578+621=1688127×(189-183)=762492-(258+37)=197259+61-273=47552-239-161=152457+204=661135+(305-258)=182478-163-62=253284+538+238=1060755-(922-301)=134913×(727-722)=4565744-197-386=161334-183+348=499567+27×2=621328+(784-157)=955490-(364-39)=165100-52=48610-388=222254×(742-738)=1016717+797+825=2339179+286=46555+50-13=92692-(155+314)=223485-278-64=143227-69=15879+194+43=316168×(417-414)=504690-235-263=192387+(237-171)=453514-220+468=762175+132-39=268497×(407-404)=1491964-(469+318)=177464-(75-46)=435254-53-175=26778+676-180=12741/8+5/8=6/8480-(625-613)=46818+452+255=725521+120×7=1361881-(527-19)=373345×7-887=1528449-(890-609)=168276+309+385=970122-86+185=221884-214=670648+45-470=223180+233+386=79977-19×2=39289+(174-53)=410900-(120+585)=195368-312+94=150206×2-173=239611+855-656=810351×2+41=743288-226-21=41391-170-43=178489-190=2994/5-1/5=3/5428-17×4=360848-(551+278)=19375-121=254785×(766-759)=5495906-426-273=20783×8-468=196446+688-34=1100403-364=39461-192=269676+(774-661)=789195-(51+28)=116489-(253+10)=2265/8+2/8=7/8254+244+435=933823+147-611=359194×9-189=1557633×4-269=2263461-132-104=225414+(483-79)=8184/7-3/7=1/7312×(794-790)=1248401+24+291=716385+704-296=793198×5=990483-379+166=270352-(825-602)=129458-347+13=124149×7=1043240-(36+174)=30708×2-877=539151+72=2234/8+2/8=6/8491-(42+303)=146103-83=20406-(381-216)=241217×3-184=46781×(468-459)=729112×(24-21)=336985×4=3940246×3-304=434199×(841-838)=597280-107=173330+155-312=173924-213-681=30434-207=227724+62+540=132671+641+429=114167×3+171=372137×4-41=50755×4-147=73160×(337-333)=640141+(387-12)=516926-166=760389-325=6455+159=214732-58×7=326488-49×2=390117+288=405316×2+223=855356+217=573393-233+165=325411-172-208=31146-14×2=118772+150×2=1072730-577+382=535853-246+232=839443-430=1336+494+451=981336-(378-258)=216773-(69+431)=273342+21×7=48996×3=288161-137+147=171464-84-187=193471-309=162876-(554+240)=82737-217=520693+63×8=1197492×2-418=56630+(709-405)=334393+(307-138)=562156+(465-149)=472421-343+16=94552-536+613=629213×3=639303×(841-836)=1515404+616-81=939690-(906-543)=327263+647+361=1271549-(289+170)=90355×9-886=2309455×(661-658)=1365324-83=241823-563+176=436485-(70+367)=48484-80-256=14888×4=35270+162=23297×5-247=238574+693-340=927291-242=49634×4-505=2031413-(149-136)=400526×(443-438)=2630470-40×8=150157+128×3=5411/3+2/3=1429-337-47=45203+655+981=1839514-101=413473+(236-41)=668957-(11+303)=64343+198+699=9401/7+3/7=4/727×2=54448-275=173669-(483-192)=378570-48×9=138721×6=4326289-(482-234)=41934-95×7=269249+131=380363×2-283=443837-(492+251)=94753+(761-653)=861958+68-664=362633+(538-97)=1074206-20×9=26347+(492-433)=40641×3=123436-241+27=222399-345+433=487409-229+263=443253+117×5=838531×5-910=1745920-55-372=493255+66=321826-451=375120×7+732=1572851-(117+85)=649187+264=45164+884-353=595404×2+138=94681×8-402=246188-26×5=586/7-1/7=5/7318-68×3=114570-169×3=63185+249+654=1088905-315-182=408782-27-110=64553+444-162=33570+105-47=128797+940-169=1568133+(264-177)=220363-251=112500×2-559=441111+77=188339+107-77=369725×(135-131)=290018×2+389=425211+454=665187+(477-425)=23988-81+348=355210+194×4=986170+(188-78)=280409-(200+133)=76339+431=770336+(462-225)=57364+320=384140+(433-431)=142228×2=456459+(286-138)=607727+153-361=5191/6+4/6=5/6240-153-42=45382+69=451107×(415-406)=963268×2-238=29814×(365-359)=84851-(720+54)=77789-607+83=265605-175=430900×6-274=512633+138=171778-211×2=356845-198×2=449131+82=213768-477=291354-134+62=282158-(681-626)=103480-(51+107)=322614×3-768=1074451+211+164=826304+(486-54)=736352-(442-282)=192681-356+982=1307450+94+212=756321-(100-70)=291639×8=51123/5-1/5=2/5896-(306+39)=55198×9=882444×4-666=111063×(81-76)=315273+165+436=874476-(348-79)=207105×5-418=107651×4-430=2174615-224=391841-265+622=1198286-85×2=116742×(925-920)=3710236×3+268=976241+(413-400)=254202×2=40489×7=623750+615=136562×9-241=317162+(502-460)=204782×4=3128772×(874-865)=6948809+525-733=601129-28×4=17484-414=7037×(123-116)=259873-494+788=116777+472+363=912764+142×4=1332320-24×8=128168-135=33379-307-43=29887×3=2661221-67+288=442802-88×8=98155+681-658=1785/8-1/8=4/8857-484=37339×2=78124×9-333=783655×(919-915)=2620257+23×8=441322-33×7=91646+(918-755)=809441-(44+132)=265205-22×8=29377+97-352=122708-41×2=626312-37+124=399924-484-101=339181×4-174=55056+286=342587+906=1493828+(473-194)=110793×4+370=74212+56=68911-(91+523)=297407×2=814351-155×2=41411-(50+26)=335452+30-71=41116×8=128384+95=479227-(418-325)=134471-249+233=45530+895+34=959574-335-107=13273-24+381=430302-(48+212)=42244+356+140=7401/5