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358+94-189=317-131=813+887-192=672+371-911=318+88-258=85×(274-269)=488-30×9=134+(467-159)=229+174-326=480+(413-182)=645-31+262=313-13×9=90×7-502=406+89-111=729-194=930×7=372+(371-295)=272+90-326=393+80-32=487-354-83=888+102×8=297-166+29=294-121×2=484-139+53=15×9=398-185+120=804×4-140=141+(809-344)=480+(335-97)=364×2-286=84+355=312+(425-206)=476-464=431+858-388=649-464+467=229×8=898×(726-720)=104+231-132=41-18×2=205+111=314×(993-986)=328-(489-322)=59+(525-482)=69×(83-79)=189+713+414=538+747=793-(619-78)=911+470=106+358-130=533+125+809=553+948-206=79×(37-34)=20×6+206=947-(67+669)=982-108+571=242-29×8=115×7=690×4=133-40+895=140×2+421=823×5-622=540×8-331=848-169+949=475+267=577+981+743=451-(450-363)=807-(798-532)=443+(300-157)=265-232+143=677-101×3=228×2=373+(348-288)=323×5-711=206+213+571=279+128=414-(338+58)=417-88=176-157+406=257+138=392×2=524×7-219=169+517=101-80+544=70×8=975+475-475=908-390×2=135+239-94=927-(309+573)=926-(307-38)=383-(161+167)=965-721=795-281-422=48+(288-203)=96×9-20=475-40-305=669+283+295=874-132×4=441+(459-304)=976-781+497=568+973-27=657-(385+261)=118+35-24=26×3=179×5=435+65+871=613-43×2=739×8-831=166+29×5=564+993+977=246-157+23=247+151=138+729+430=186×(283-280)=480-41=454×5-433=891-580-243=432-368=457-(458-112)=858+(822-464)=451+(454-334)=356+246×3=881×2=623-(205+245)=123+31=63+600-345=807+127×5=492-(256+168)=312×3+232=620×(307-304)=644-54×7=33×(148-145)=514-53×7=903-106+442=56×5+294=624×5=63+334=473-(47+221)=2/8+3/8=13+561-534=845-33=134×6-323=837-595+663=805+149=346-(228-27)=248-58+67=489-182=47×7+18=195-(311-126)=448-348+219=157×(265-262)=3/5-2/5=112×5-62=117+176=154+167=747+(843-41)=226-110=143+233=474-271=497×3=132×(432-426)=154×4=486+281+221=328-27×2=521×8=457+54+217=452×(315-307)=271-118=783+250-519=66+(471-401)=952-182+810=4/8-1/8=915-(366-105)=95×(200-195)=434-63-209=55+(438-133)=325×3=473-(444-34)=23+224×3=729-29×6=461-58-237=456-21=806-388+817=220+56=389×2+204=290×8=104×3=125+26×9=412-156-102=560×8=705-139=592+(789-16)=334-132+258=344-225=111+143-58=207-(321-151)=808+(664-201)=333-(383-215)=353-(442-227)=280×2=648-601-38=77×7=406×9-298=100+545=162+178-217=733+108×9=464+98×2=532×2-445=307+(298-53)=367-(270-201)=819×7=294+(307-30)=393-(106+137)=163+162=32+362+110=276×3+10=459-142+95=404-(850-725)=188+792-306=994+47×3=188+707-569=825+(225-54)=154+(170-159)=625-(628-212)=331+99+567=449-(124+271)=62+(308-178)=514+42×7=344-264-33=325-310+41=434-(159+85)=461-(93+319)=485-31-59=469-164+162=192×4-266=252+189-143=92+(472-355)=589-134+990=133+234+492=450-69×5=51+46+258=959-391-38=909+269=298×2-33=393-(203-64)=767+136+79=839-(212+187)=260-(331-319)=164-19+251=294+55+914=879+935-990=73×4-12=212+153=856-211-627=386-35-36=966+735+473=147×5=398-229-24=153×2+765=677-596-28=217+265=518×9=235+94×6=223-221+422=173-31×2=497-292=71+368+80=648-486=939-237×2=238+274×2=491-(164+251)=133+111×2=216-31×3=798-(100+200)=37×5=149+656+67=238×4-89=110+44+345=999-(59+861)=328+347=467-18+432=296×3-729=188+751=409+(495-115)=216×3+465=466-(185+250)=608×7=772-383+90=894+147-386=350+641+231=807+185×2=144-132+382=666×4-770=822-427-231=963-(518+97)=75+70=752-380=237-139+701=378+277+154=683-65×9=432-(307+14)=357+48-384=487-(198-94)=446-101×3=81-48+129=950+(451-59)=404-(621-291)=320-(564-365)=376×(80-76)=195-102-43=464-263=193+53=63×(446-441)=296-76-218=368-98×3=849+199×3=436-(353-251)=174×3+166=197×3=991-665=167+126×4=326+124×2=304+743=321+36×2=375+170×2=919-684+909=475-128+53=40-(243-226)=560-(536-54)=771+931+373=69×(54-47)=996-(81+726)=13×(380-372)=98-(38+47)=907-(558-109)=86+83+138=154×5=366-59×6=17+(382-325)=221+252=371-27-159=306-210+322=939-880+836=548×2-340=489+574=190-(333-216)=338×(509-503)=325-42×2=552-193-149=295+771+742=987-263-306=881-17×6=591×7-11=775-116×6=544+(403-126)=505-490=305-94×2=481-395+388=575+379+44=672-13-643=24×(204-198)=295-(80+71)=378×2-357=610-24×9=179+(489-163)=96×5-180=1/8+5/8=878+144-748=204-105+160=28×7+154=337-(413-136)=890-(90+514)=372-11-283=324-16×3=923-386-113=670×(333-329)=250×(311-305)=390-126+131=369-(122+43)=452-65-268=74+519+20=404-(188-68)=280×(321-318)=286-(167-133)=472-(171+132)=407+87+337=3/6+2/6=942-428=991+248×4=16+737-229=3/6-2/6=290-76-162=411-30×7=454+687-166=554+44+68=428-(426-338)=2/5-1/5=184-140+310=443-(403-214)=1/6+4/6=17×9+344=681-305+663=929-(104+440)=300×2-506=825+(973-650)=93×8+202=737-(691-227)=116×5+660=155+(426-373)=82+605+253=46×(425-418)=749-173-310=213×2+263=987+(332-52)=212-(122-16)=932-688-111=142-(200-161)=431-(115+112)=386×2=492-185+132=127×7+983=15+228+294=366-(128+213)=572-(458-245)=132+145=133×7-868=262-72+109=991+736-222=481-(268+93)=970+671+416=81×8=148×2+127=272-253+133=311+(967-102)=301×3-97=167+446=471-(90+191)=111×(144-139)=383×3-675=64×5+864=333+196+324=462×2=409-(170-91)=288-267+817=145×4-253=696×(75-68)=287+128+308=223+326=265+207+402=106+195=962+(760-263)=13×9=14×6-50=942+69-88=493-347-36=156+455=775-30=554×(598-590)=822+(979-797)=96×7-230=673-(631-339)=435-219=381-(233+92)=400-233=487+676+996=730-44+532=925-33-297=870-(147+257)=34+220-54=930-(193+248)=654-16×2=332-103-101=31×3=92+146=751-262-192=421-333-61=474×2+261=283-(103+130)=315×2-261=924+590-229=126+183=926+396+265=362+98+253=550×6=347+735+339=248×4=327+(387-256)=963-64×9=447+77=906×6-761=812×2=656-176-251=54×5=351-(127+219)=169+(441-158)=429-207-176=823-(40+13)=71×3=135×3+373=4/7-2/7=537-46-163=213-(431-267)=485-201-254=323×(481-478)=345×2-194=246-18-112=770×(497-492)=142+139+528=3/7-2/7=390+26-70=123+119+202=540×(167-158)=6/8-2/8=188-49+303=64×(158-153)=765+89×2=23×(255-250)=181+231=141×8-634=180+(283-119)=468-(44+401)=618×(937-932)=911-(788+116)=390×8=109×5=283+121=376-239-106=424-(131+79)=749×(930-921)=213+(478-172)=1/6+2/6=202+80-244=400-24=221×2=309-62=244+129+139=831×(100-93)=788+463-384=341+135-378=96+623+170=330-(185+142)=321-65×4=546×8=821-(748-745)=456-52×4=131+370+18=782-(28+43)=384-(806-557)=143-88=133×(101-97)=67+193=394-(24+148)=461-424=104×(183-179)=134+143×3=436-186=11×(293-287)=111-(384-327)=47×2+208=256-227=23×7-33=141+(479-164)=659-290×2=166×3=475-(647-511)=349-197=57+112-88=271+219=50+375+348=441-12×6=123×6=481-174-252=784-42×9=464-192=172×3=406-28=228+75=112×(127-124)=158×(966-957)=269+297×2=487-(217+227)=685+834-840=311+980+686=782-716=824×2-896=129×(372-367)=123-98=984+(987-210)=356-317-33=704-215-467=431-363+69=821-(551+71)=664-521+243=54×7=902-(438-27)=450×3-643=818-560=303+624+169=158-121=196×4-664=349+55-248=605+175=70×3+382=356-146×2=711×9=144+106×3=82×5-359=308×(669-660)=292-43×5=570+847=338+(451-152)=712-204×2=89-54=390+372=134+132-31=161+26×7=659×7-112=657-14×2=377-11-176=333-(488-481)=394-(352+14)=50+44=420+760+885=311-42×6=43×6+339=469-(349-161)=57+365-355=471-(57+171)=297-(277-65)=582+78×8=207+73=386-166-91=387-291=267+409+170=23×(474-466)=68×9+657=229-56×4=5/7-2/7=111×2+136=177+(495-481)=699+(469-425)=628×(39-33)=117+187-13=465-196-244=352-86+674=235×4+184=740+(992-49)=425+(937-150)=315+71-183=665×5=348×2-356=339-303=366-31×5=1/5+2/5=520-(386+115)=222-21+171=74+(394-200)=307-91-106=44+13×2=373×9=487-392-28=490-89=307×(371-363)=454-77×4=132+216-323=421-47×8=157+(225-56)=168×(315-310)=333+(592-359)=719+68+331=270+35+552=409-206+205=71+223=853×4-280=902-356×2=488-346+178=762-258+113=868×(971-963)=367-157×2=289-183=403-71-38=898-112=905+974-811=275×2-288=98+(705-24)=683-43-537=375-326=94-(443-418)=1/4+2/4=683-267=185-(549-414)=901-(129-49)=695×9-519=950+(809-195)=461+185=499×2-768=40×9-252=458+505-733=47×(77-71)=485+92=90+386=344+41-197=163×(164-158)=297-20×2=442+421+910=17+57=238+142×5=49×(437-433)=71×5-51=171+127-176=415+100×7=172-37×4=223-(580-444)=64+(116-66)=475-51=813-27-157=885-(726-110)=500+917-605=584×7=200×(449-444)=503-340-131=341-(126+155)=793-164+853=128+104-174=355-180+211=654×(540-532)=265+241+34=593-549+241=879-(397+262)=338-48=450-162=174+12+676=305×2=297-21×9=198-45×4=946-534+427=456+228+245=111+82×3=6/10+3/10=482-65×4=12×3=961-(196+602)=480-(176+145)=103+45=384-(21+329)=938-126×7=126×9=910-324×2=231-31×5=118×5-141=417-388-25=4/6+2/6=246×2-441=499-44×8=943-(846-218)=973-(321-292)=192+(477-465)=851×(716-712)=877+893+681=306×2+664=501+21-284=94×6=2/7+3/7=934-(18+312)=257+665=496-184-300=390+90-370=155+132-159=679-373=453-82×2=613+614-866=52-(88-43)=145×6-37=401-(640-560)=530×9-405=64+180=216×(706-699)=803-(495+131)=880×3-522=464-(498-262)=53×8+949=475+(570-313)=585+(810-220)=214-(56-31)=495×5-756=49×4-72=266+(293-206)=479×2=75+390=497+(689-653)=749×4-828=76×6+393=540-490+562=996+225-66=568×2-364=348-53×6=701+809=90×(259-250)=876-188×3=466-(202+199)=107+186=208+(767-643)=294-129=582-530=423-(35+281)=122+57=736×(597-592)=542×(639-633)=463-217-127=615-(887-489)=220+222=326-50×4=11×8=6/10-1/10=899-111+942=745-22×5=253-203+248=728×9-234=24×5+188=807+814+327=966×9=120+261-350=275+274=481×2=451×2-304=689-(248+435)=883-(400+48)=413-17-336=605×(483-480)=383-309-69=350×(224-219)=646-69=457-60=274+811-764=640-198-179=363-241=215+508+621=7/9+2/9=601-(52+501)=201×6=330-72=173-(140-72)=148×3-206=323-302=305-(460-409)=370-205=899-(256+208)=620×(685-681)=4/6-2/6=950-722=220-116=679-158-91=332+100+261=22+47+834=663×(556-549)=655-336-248=54+(172-119)=57×4=242+(336-277)=411-201-139=2/4-1/4=1/7+2/7=273×(361-358)=43+298-208=4/8-2/8=参考答案358+94-189=263317-131=186813+887-192=1508672+371-911=132318+88-258=14885×(274-269)=425488-30×9=218134+(467-159)=442229+174-326=77480+(413-182)=711645-31+262=876313-13×9=19690×7-502=128406+89-111=384729-194=535930×7=6510372+(371-295)=448272+90-326=36393+80-32=441487-354-83=50888+102×8=1704297-166+29=160294-121×2=52484-139+53=39815×9=135398-185+120=333804×4-140=3076141+(809-344)=606480+(335-97)=718364×2-286=44284+355=439312+(425-206)=531476-464=12431+858-388=901649-464+467=652229×8=1832898×(726-720)=5388104+231-132=20341-18×2=5205+111=316314×(993-986)=2198328-(489-322)=16159+(525-482)=10269×(83-79)=276189+713+414=1316538+747=1285793-(619-78)=252911+470=1381106+358-130=334533+125+809=1467553+948-206=129579×(37-34)=23720×6+206=326947-(67+669)=211982-108+571=1445242-29×8=10115×7=805690×4=2760133-40+895=988140×2+421=701823×5-622=3493540×8-331=3989848-169+949=1628475+267=742577+981+743=2301451-(450-363)=364807-(798-532)=541443+(300-157)=586265-232+143=176677-101×3=374228×2=456373+(348-288)=433323×5-711=904206+213+571=990279+128=407414-(338+58)=18417-88=329176-157+406=425257+138=395392×2=784524×7-219=3449169+517=686101-80+544=56570×8=560975+475-475=975908-390×2=128135+239-94=280927-(309+573)=45926-(307-38)=657383-(161+167)=55965-721=244795-281-422=9248+(288-203)=13396×9-20=844475-40-305=130669+283+295=1247874-132×4=346441+(459-304)=596976-781+497=692568+973-27=1514657-(385+261)=11118+35-24=12926×3=78179×5=895435+65+871=1371613-43×2=527739×8-831=5081166+29×5=311564+993+977=2534246-157+23=112247+151=398138+729+430=1297186×(283-280)=558480-41=439454×5-433=1837891-580-243=68432-368=64457-(458-112)=111858+(822-464)=1216451+(454-334)=571356+246×3=1094881×2=1762623-(205+245)=173123+31=15463+600-345=318807+127×5=1442492-(256+168)=68312×3+232=1168620×(307-304)=1860644-54×7=26633×(148-145)=99514-53×7=143903-106+442=123956×5+294=574624×5=312063+334=397473-(47+221)=2052/8+3/8=5/813+561-534=40845-33=812134×6-323=481837-595+663=905805+149=954346-(228-27)=145248-58+67=257489-182=30747×7+18=347195-(311-126)=10448-348+219=319157×(265-262)=4713/5-2/5=1/5112×5-62=498117+176=293154+167=321747+(843-41)=1549226-110=116143+233=376474-271=203497×3=1491132×(432-426)=792154×4=616486+281+221=988328-27×2=274521×8=4168457+54+217=728452×(315-307)=3616271-118=153783+250-519=51466+(471-401)=136952-182+810=15804/8-1/8=3/8915-(366-105)=65495×(200-195)=475434-63-209=16255+(438-133)=360325×3=975473-(444-34)=6323+224×3=695729-29×6=555461-58-237=166456-21=435806-388+817=1235220+56=276389×2+204=982290×8=2320104×3=312125+26×9=359412-156-102=154560×8=4480705-139=566592+(789-16)=1365334-132+258=460344-225=119111+143-58=196207-(321-151)=37808+(664-201)=1271333-(383-215)=165353-(442-227)=138280×2=560648-601-38=977×7=539406×9-298=3356100+545=645162+178-217=123733+108×9=1705464+98×2=660532×2-445=619307+(298-53)=552367-(270-201)=298819×7=5733294+(307-30)=571393-(106+137)=150163+162=32532+362+110=504276×3+10=838459-142+95=412404-(850-725)=279188+792-306=674994+47×3=1135188+707-569=326825+(225-54)=996154+(170-159)=165625-(628-212)=209331+99+567=997449-(124+271)=5462+(308-178)=192514+42×7=808344-264-33=47325-310+41=56434-(159+85)=190461-(93+319)=49485-31-59=395469-164+162=467192×4-266=502252+189-143=29892+(472-355)=209589-134+990=1445133+234+492=859450-69×5=10551+46+258=355959-391-38=530909+269=1178298×2-33=563393-(203-64)=254767+136+79=982839-(212+187)=440260-(331-319)=248164-19+251=396294+55+914=1263879+935-990=82473×4-12=280212+153=365856-211-627=18386-35-36=315966+735+473=2174147×5=735398-229-24=145153×2+765=1071677-596-28=53217+265=482518×9=4662235+94×6=799223-221+422=424173-31×2=111497-292=20571+368+80=519648-486=162939-237×2=465238+274×2=786491-(164+251)=76133+111×2=355216-31×3=123798-(100+200)=49837×5=185149+656+67=872238×4-89=863110+44+345=499999-(59+861)=79328+347=675467-18+432=881296×3-729=159188+751=939409+(495-115)=789216×3+465=1113466-(185+250)=31608×7=4256772-383+90=479894+147-386=655350+641+231=1222807+185×2=1177144-132+382=394666×4-770=1894822-427-231=164963-(518+97)=34875+70=145752-380=372237-139+701=799378+277+154=809683-65×9=98432-(307+14)=111357+48-384=21487-(198-94)=383446-101×3=14381-48+129=162950+(451-59)=1342404-(621-291)=74320-(564-365)=121376×(80-76)=1504195-102-43=50464-263=201193+53=24663×(446-441)=315296-76-218=2368-98×3=74849+199×3=1446436-(353-251)=334174×3+166=688197×3=591991-665=326167+126×4=671326+124×2=574304+743=1047321+36×2=393375+170×2=715919-684+909=1144475-128+53=40040-(243-226)=23560-(536-54)=78771+931+373=207569×(54-47)=483996-(81+726)=18913×(380-372)=10498-(38+47)=13907-(558-109)=45886+83+138=307154×5=770366-59×6=1217+(382-325)=74221+252=473371-27-159=185306-210+322=418939-880+836=895548×2-340=756489+574=1063190-(333-216)=73338×(509-503)=2028325-42×2=241552-193-149=210295+771+742=1808987-263-306=418881-17×6=779591×7-11=4126775-116×6=79544+(403-126)=821505-490=15305-94×2=117481-395+388=474575+379+44=998672-13-643=1624×(204-198)=144295-(80+71)=144378×2-357=399610-24×9=394179+(489-163)=50596×5-180=3001/8+5/8=6/8878+144-748=274204-105+160=25928×7+154=350337-(413-136)=60890-(90+514)=286372-11-283=78324-16×3=276923-386-113=424670×(333-329)=2680250×(311-305)=1500390-126+131=395369-(122+43)=204452-65-268=11974+519+20=613404-(188-68)=284280×(321-318)=840286-(167-133)=252472-(171+132)=169407+87+337=8313/6+2/6=5/6942-428=514991+248×4=198316+737-229=5243/6-2/6=1/6290-76-162=52411-30×7=201454+687-166=975554+44+68=666428-(426-338)=3402/5-1/5=1/5184-140+310=354443-(403-214)=2541/6+4/6=5/617×9+344=497681-305+663=1039929-(104+440)=385300×2-506=94825+(973-650)=114893×8+202=946737-(691-227)=273116×5+660=1240155+(426-373)=20882+605+253=94046×(425-418)=322749-173-310=266213×2+263=689987+(332-52)=1267212-(122-16)=106932-688-111=133142-(200-161)=103431-(115+112)=204386×2=772492-185+132=439127×7+983=187215+228+294=537366-(128+213)=25572-(458-245)=359132+145=277133×7-868=63262-72+109=299991+736-222=1505481-(268+93)=120970+671+416=205781×8=648148×2+127=423272-253+133=152311+(967-102)=1176301×3-97=806167+446=613471-(90+191)=190111×(144-139)=555383×3-675=47464×5+864=1184333+196+324=853462×2=924409-(170-91)=330288-267+817=838145×4-253=327696×(75-68)=4872287+128+308=723223+326=549265+207+402=874106+195=301962+(760-263)=145913×9=11714×6-50=34942+69-88=923493-347-36=110156+455=611775-30=745554×(598-590)=4432822+(979-797)=100496×7-230=442673-(631-339)=381435-219=216381-(233+92)=56400-233=167487+676+996=2159730-44+532=1218925-33-297=595870-(147+257)=46634+220-54=200930-(193+248)=489654-16×2=622332-103-101=12831×3=9392+146=238751-262-192=297421-333-61=27474×2+261=1209283-(103+130)=50315×2-261=369924+590-229=1285126+183=309926+396+265=1587362+98+253=713550×6=3300347+735+339=1421248×4=992327+(387-256)=458963-64×9=387447+77=524906×6-761=4675812×2=1624656-176-251=22954×5=270351-(127+219)=5169+(441-158)=452429-207-176=46823-(40+13)=77071×3=213135×3+373=7784/7-2/7=2/7537-46-163=328213-(431-267)=49485-201-254=30323×(481-478)=969345×2-194=496246-18-112=116770×(497-492)=3850142+139+528=8093/7-2/7=1/7390+26-70=346123+119+202=444540×(167-158)=48606/8-2/8=4/8188-49+303=44264×(158-153)=320765+89×2=94323×(255-250)=115181+231=412141×8-634=494180+(283-119)=344468-(44+401)=23618×(937-932)=3090911-(788+116)=7390×8=3120109×5=545283+121=404376-239-106=31424-(131+79)=214749×(930-921)=6741213+(478-172)=5191/6+2/6=3/6202+80-244=38400-24=376221×2=442309-62=247244+129+139=512831×(100-93)=5817788+463-384=867341+135-378=9896+623+170=889330-(185+142)=3321-65×4=61546×8=4368821-(748-745)=818456-52×4=248131+370+18=519782-(28+43)=711384-(806-557)=135143-88=55133×(101-97)=53267+193=260394-(24+148)=222461-424=37104×(183-179)=416134+143×3=563436-186=25011×(293-287)=66111-(384-327)=5447×2+208=302256-227=2923×7-33=128141+(479-164)=456659-290×2=79166×3=498475-(647-511)=339349-197=15257+112-88=81271+219=49050+375+348=773441-12×6=369123×6=738481-174-252=55784-42×9=406464-192=272172×3=516406-28=378228+75=303112×(127-124)=336158×(966-957)=1422269+297×2=863487-(217+227)=43685+834-840=679311+980+686=1977782-716=66824×2-896=752129×(372-367)=645123-98=25984+(987-210)=1761356-317-33=6704-215-467=22431-363+69=137821-(551+71)=199664-521+243=38654×7=378902-(438-27)=491450×3-643=707818-560=258303+624+169=1096158-121=37196×4-664=120349+55-248=156605+175=78070×3+382=592356-146×2=64711×9=6399144+106×3=46282×5-359=51308×(669-660)=2772292-43×5=77570+847=1417338+(451-152)=637712-204×2=30489-54=35390+372=762134+132-31=235161+26×7=343659×7-112=4501657-14×2=629377-11-176=190333-(488-481)=326394-(352+14)=2850+44=94420+760+885=2065311-42×6=5943×6+339=597469-(349-161)=28157+365-355=67471-(57+171)=243297-(277-65)=85582+78×8=1206207+73=280386-166-91=129387-291=96267+409+170=84623×(474-466)=18468×9+657=1269229-56×4=55/7-2/7=3/7111×2+136=358177+(495-481)=191699+(469-425)=743628×(39-33)=3768117+187-13=291465-196-244=25352-86+674=940235×4+184=1124740+(992-49)=1683425+(937-150)=1212315+71-183=203665×5=3325348×2-356=340339-303=36366-31×5=2111/5+2/5=3/5520-(386+115)=19222-21+171=37274+(394-200)=268307-91-106=11044+13×2=70373×9=3357487-392-28=67490-89=401307×(371-363)=2456454-77×4=146132+216-323=25421-47×8=45157+(225-56)=326168×(315-310)=840333+(592-359)=566719+68+331=1118270+35+552=857409-206+205=40871+223=294853×4-280=3132902-356×2=190488-346+178=320762-258+113=617868×(971-963)=6944367-157×2=53289-183=106403-71-38=294898-112=786905+974-811=1068275×2-288=26298+(705-24)=779683-43-537=103375-326=4994-(443-418)=691/4+2/4=3/4683-267=416185-(549-414)=50901-(129-49)=821695×9-519=5736950+(809-195)=1564461+185=646499×2-768=23040×9-252=108458+505-733=23047×(77-71)=282485+92=57790+386=476344+41-197=188163×(164-158)=978297-20×2=257442+421+910=177317+57=74238+142×5=94849×(437-433)=19671×5-51=304171+127-176=122415+100×