三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦41×(90-86)=290+(357-262)=282-(131-106)=27×4=422×6-612=427+423+926=330×(187-184)=743+51×7=558×6-631=6/10-3/10=474×2-917=917+271=960-686+597=158×4-126=757-(114+395)=607×(424-416)=635+(985-268)=211×2+641=328-43=244-104+242=376-54+56=98×5-425=154×3+444=42+(489-455)=834+41×5=112×2=33×9+111=804-714-69=61+400-18=611+(884-449)=478-28×3=518×9-466=407×2=582-115×2=88×7+55=489+648-510=494+79×8=204+904=16×8+462=558+162+220=1/4+2/4=487-137×2=480-473+131=604+786+181=47+(715-618)=810×3-317=791-129×4=432+303+497=751-415=496×(290-281)=969-148-188=603-308-36=118×8=467-(83+85)=378-85×2=594-215+826=49×2=494-(164+112)=348×2+536=55×4=800-188-126=93+(725-662)=490-93-109=994×4=357-177+131=200×2-369=884-178+330=394-(190+75)=368-130-227=413+764-411=865-(353+436)=225+42=237-104=447-36×7=122+478+890=133+603-515=409-263-145=117×7=494+(733-463)=112+110-152=141+223-64=701-77+241=552-(353+124)=881-299-121=38+(196-173)=489-(22+379)=409+368+889=863+(512-449)=458×2=295+227+136=455-116-305=857+234+895=137-48+447=190×3+203=342+132-298=463+146+44=963-818=328-39+196=22×(191-187)=715-66-380=159×(473-470)=288+111-177=70×2-46=461-53-143=420+134+905=813-42-596=499+308-556=228+265-362=31×8=736-(712-567)=2/6-1/6=30×6-110=92+416+50=458-(298-197)=871+390-965=5/8-1/8=917-642-113=411+(189-172)=82×5-167=819×4=801-394×2=462-(658-510)=819×6=318+66=460-(52+263)=200+202=482-116=190-(25+55)=271+105=163-105+230=774-(313+166)=931-522=126×7-259=551+986-126=67×7=358×2=313-81×2=568-(108+74)=184+307=275+(323-181)=706×3=236+(92-65)=288×(850-843)=161+324×2=454-311=210-(673-468)=173+307-478=850-(116+513)=1/7+6/7=86×(339-335)=82+282=313+341=474+315=528+(294-121)=251+134-317=785-(139+229)=219-(490-275)=399-53×5=326×4-318=219+(402-170)=552×4-623=250-226=431-48=628+(663-412)=461-123×3=671-(869-592)=277-61=928-(43+556)=331-203-38=72+(274-213)=120+130+103=661-12×6=488-356+121=491-459+211=263-145=111×(767-759)=363+760=307×(216-213)=717-(736-441)=233×(84-80)=5/9-1/9=468-(133+78)=80×(497-488)=481+(171-109)=450-(39+331)=907-791=702+23×2=94×6=353-(467-156)=347×(856-849)=571-(395+131)=71×7-327=395-360+97=921-(643+150)=119-10×6=357-(475-389)=372-270+682=422-(480-162)=308+(32-11)=918-140+60=723+84+74=80+291-343=342-150×2=140-114+57=52+193+414=373+217=444-49-121=711-(631-552)=221+517=884-65×3=246+(426-206)=897+840+995=256-(169+50)=305×2+839=235+46×7=350×3=733-551+386=471×2=361-78-88=914-(504-474)=76×2=132×7-865=130+397=991-787=145+256=427+13-213=494-67-12=219+230-303=678-430-133=1/6+2/6=21+28=110×9=1/5+4/5=421-36×5=254+325=334-92-192=503-81=476+(92-18)=296-108=36+(805-724)=275×2-247=158+60=274+56×2=722-(478-92)=275×(953-948)=937-533-48=488-(173+151)=307×2+20=922×7=521+211+835=447-153=274+(142-138)=456-(44+34)=607×2=651×6-733=106×2=396-215+210=239-175+83=396-81×2=702-75-497=112×5+84=561+(356-313)=428+840-517=927+361×2=753-191×3=205-21×4=468-254+217=997-42-110=753+98-694=872-329-456=91+94+157=882-499+328=129×(358-354)=191×4-708=770-(347+64)=289×8-864=848×2-236=556+174-407=34+388-320=37+(410-312)=429-(273-93)=647-373=131+68×8=16+337-227=455+304+203=149+653+285=968-227=539×5=879-201-648=626-(483-166)=231+242-462=426-13×6=97×7-89=402×4-235=273-(102+43)=33-32+598=254+148=460+169=520+91=20×3+58=821-32×8=206+455×2=490+289=142+279×3=404-186=564-482+396=252-23×3=849-188+354=887+757+320=210+28×6=89×3+293=94+294-91=45×(273-270)=459-18×3=145×4+975=747+658=20×(266-263)=360-(315-188)=549+934-245=45+515+256=481-(68+319)=864×8=464-376-31=410×5-148=356×2+222=283-29×2=2/3-1/3=351-24×7=848-(198+343)=531+(683-298)=116+203-213=144-(664-547)=753×(934-929)=135+(911-612)=493-356=915-260=870-(57+356)=489-149+141=869-91×8=502+509+837=253-21-195=118×6=4/7-3/7=244×(328-323)=150+247=975-(497+218)=776-383-285=71×(329-323)=90×7+426=600-(744-373)=326×(125-122)=159×(202-199)=138-44×2=340-(51+49)=49×7+124=107+369=333+107=956+272-872=160-18×7=65×2=104+282+271=56+144=651-72+44=113+69=542-201+213=593-(294-199)=413-325=450-126×3=159×6-476=833-197-259=486+(79-63)=765-(85+504)=112+376-236=489+476+35=102-99+460=323×4-35=661-(43+182)=376+274+145=72+364-81=140+30=855-267×3=791-111×6=306×3=828-(633-308)=337-138=195×3+28=918-(710-650)=115+302-132=395-63×3=365-112=232+99×5=942-377×2=970-372=195+608-315=241-98+131=180×8-579=35+756+158=525+883-66=217×(306-303)=321+457=249×(220-216)=691+(925-353)=893-(426-419)=3/8+2/8=126+260+562=345+116-119=426+48-368=290-134=200×(498-495)=1/8+6/8=872-706-164=403-295-66=262+151=770-62×8=558-141+298=669×(325-317)=131+(907-405)=347-310+316=871×4=358-(362-15)=231+916=215+28×7=588+868-837=748-146-168=445+433+291=244+85×8=879-289+920=811-233×2=304×(947-941)=993+746=960-571-286=129+364=147+172+160=54+(532-478)=401-(670-538)=403×(507-499)=396-42=2/9-1/9=89×3-86=915-(114+397)=172×4=271+152-141=458-10+27=414-208-86=899+152×2=379+(366-130)=263-27×3=453-96-243=168-111-25=363-175+28=219×9-250=824-295-273=81×(166-163)=451-(302+63)=418-147×2=416-69=16×(269-264)=177+136-228=62+689-232=272×2+282=67×9=607+(467-138)=216×(804-798)=17×3+87=519+687-707=201+134=784-(413+190)=596+437+782=869-(397-376)=460-81=579+694-348=199+394=342-184+81=19×5-78=786×(997-991)=936-(809-691)=130×2+637=775×2=390+241×3=841-15=315+(462-215)=578×(970-963)=61×9=479-228-64=780+647+720=335+62=357+960-432=447+(400-256)=376-19-294=711+606=418-17-161=60+57+552=128+117=174+713+992=116+65=188-(163-137)=952-(963-454)=435-176-160=226-190=321+109=225×3=226×5-437=72×6-128=45×6=587×5-429=182-25=218-12×7=209+220-289=178-85×2=753×4-450=37×6+180=265-145=824×7=263+(478-23)=5/10+4/10=199-62-48=56×2+182=295-42+130=869-203×2=643-65×8=216×(162-159)=732-18-305=290-96-194=340×2=132×4=431-320=538×(270-265)=477-178-18=407-154×2=28×2=565+(961-109)=21×4+102=246+127×4=691-81×2=498-399=632+(944-185)=584-300=99+151=442-(306+73)=793-67-551=4/8-2/8=326-(358-216)=240+88=188-(151-18)=193×5-392=133×4-522=105-(243-185)=853-253+621=324+72=449×8-564=373×8-484=275+86=162+414+14=415-152=211-210+15=77+392+134=257-(105-16)=325+63×8=635-242-88=135+276=448-139×2=399+917-367=234×2-173=346+80×5=175+(792-250)=350-212+883=343-(439-123)=14×2+64=260+240-104=150-(233-228)=428+151+185=399-(38+210)=907-903+45=530+(133-71)=412-(453-360)=760-94+594=222+740=118+440=148-43=636-162×3=487-17-63=896-(239+296)=294-25-99=438-(168+232)=858-(306+115)=382-80-135=131×(377-372)=441-219=547-(280+172)=101+(99-95)=472-(117+15)=31×(318-312)=3/6-2/6=138×(574-568)=316×4-981=768-(90+157)=398-182-172=308+216+407=315×5-183=450-(17+64)=72-(311-300)=456-107×2=389×2=468-346+144=28+(245-31)=619+493-682=374×7-590=195×(884-880)=185-(188-63)=317×(249-246)=217×3-608=722-533=108×5+549=279-43×6=39+(69-25)=647-122=167-(313-182)=201-88+194=111+506+319=89×8-500=560-(291+120)=714-694+962=46+41=305+62×6=322×2=521+570+313=114+172-31=602+889+339=762+500+16=154×(161-157)=437+238×4=379-203=470-(239+89)=303-130×2=391-63-95=72+425-230=660+129=442+(98-68)=422+(885-768)=3/8+5/8=4/8+2/8=328-(180+21)=846-442+976=479×5=380+61×2=77+174+186=295+618=482+101+537=988-(540+102)=871-120-474=705×6=58×8-36=120+27+758=249+(250-142)=270×6=448-(332-33)=236-(281-97)=627×2-166=474+(909-266)=72+361+397=818×7=448+(946-313)=95-31+415=360+447-126=331-214=793+428-458=906+334=456-44+41=617-41+441=164+178+403=249×2=292×8=5/10+2/10=861+552-458=423-28×7=416-(44+205)=652+63+554=262+(334-268)=888+(353-264)=417-(438-217)=452-408+254=102×3+340=548-131=334×2+69=147×2-169=368-186=99+994+753=70×2=454×(41-37)=456-(27+85)=177+270-242=912×(20-14)=5/7-2/7=96+130×2=430×(967-963)=659×6-255=486-(108+228)=254-(408-163)=478-(49+119)=488×7-442=370-(436-230)=542+96=344-201-24=843+986+639=182×2-133=847-586=633-132×2=111×(907-901)=268+126-371=830×(575-567)=601-(927-652)=580-(441+16)=844-333+428=871-697=486-160=701×5-571=920×(540-531)=199-(477-329)=474-(49+183)=765+(592-579)=63×4=322+167×3=798×(658-651)=67×4=22×5=311-203=4/8-3/8=117×6-216=3/7-2/7=285-223+179=189+296=411×2-600=974-343×2=369×7=53×(414-409)=211-72+266=789-(949-270)=96+(427-213)=682-33-579=365-329=487-55-95=622+618=233+99-154=253+640+45=128×7-193=252+(435-127)=997-225×4=390-(348-297)=335-(408-199)=586-319=716+193-596=489×(913-906)=184+(436-175)=1/8+2/8=875-239+570=349-72-219=853+75-260=701×(752-745)=305-(355-209)=154-88=193-90+213=714×(528-520)=970×3=930-134+534=408-(84+111)=165+15+326=891-190×4=342+146×4=355-(153+113)=67+171=427-(105+117)=60×7=780-124×6=373-60-254=212×(436-433)=560+43+77=88×(310-306)=352-111×3=241-(230-143)=198-99=456+(264-167)=59-(914-855)=683-(774-543)=13×5+460=75×6=99×(158-155)=267-(353-252)=230+879-164=15+470×2=373×5-422=169×5=741-14×5=568-350+731=458+(323-98)=647-505=582-182×3=259+298+37=98×(325-317)=126×(16-10)=538-341=2/8+5/8=97+267+446=580×(973-965)=113×6-457=449×2-870=365-(334-273)=50×6-77=209+289-422=860-(68+791)=62×5+207=56+91+347=757-(632+54)=522-(450+15)=108×3=840+697=299-32×6=957-328-34=110+(452-144)=907-140=847-(498-445)=379-61×2=849-457-100=65+301+69=206+274=396+277×2=750-40=488-(93-75)=573+875=496+175×2=50+146=79×(184-178)=138+219-352=948-(968-699)=140+20+720=255+(457-114)=165-87+364=536×4=371-157-187=123×7=894-(986-340)=295+(313-172)=334-247+82=473-(221+106)=383-(263+55)=181×4-290=469-30×5=498-330+15=115×5+64=34+24+639=528+787-765=69+522+52=74×(170-165)=940-88×4=150×4=219×2-323=788+407-285=797-551=119+69×3=484+541+820=833-224=289+(459-397)=259+(438-431)=447-(522-162)=317-26=參考答案41×(90-86)=164290+(357-262)=385282-(131-106)=25727×4=108422×6-612=1920427+423+926=1776330×(187-184)=990743+51×7=1100558×6-631=27176/10-3/10=3/10474×2-917=31917+271=1188960-686+597=871158×4-126=506757-(114+395)=248607×(424-416)=4856635+(985-268)=1352211×2+641=1063328-43=285244-104+242=382376-54+56=37898×5-425=65154×3+444=90642+(489-455)=76834+41×5=1039112×2=22433×9+111=408804-714-69=2161+400-18=443611+(884-449)=1046478-28×3=394518×9-466=4196407×2=814582-115×2=35288×7+55=671489+648-510=627494+79×8=1126204+904=110816×8+462=590558+162+220=9401/4+2/4=3/4487-137×2=213480-473+131=138604+786+181=157147+(715-618)=144810×3-317=2113791-129×4=275432+303+497=1232751-415=336496×(290-281)=4464969-148-188=633603-308-36=259118×8=944467-(83+85)=299378-85×2=208594-215+826=120549×2=98494-(164+112)=218348×2+536=123255×4=220800-188-126=48693+(725-662)=156490-93-109=288994×4=3976357-177+131=311200×2-369=31884-178+330=1036394-(190+75)=129368-130-227=11413+764-411=766865-(353+436)=76225+42=267237-104=133447-36×7=195122+478+890=1490133+603-515=221409-263-145=1117×7=819494+(733-463)=764112+110-152=70141+223-64=300701-77+241=865552-(353+124)=75881-299-121=46138+(196-173)=61489-(22+379)=88409+368+889=1666863+(512-449)=926458×2=916295+227+136=658455-116-305=34857+234+895=1986137-48+447=536190×3+203=773342+132-298=176463+146+44=653963-818=145328-39+196=48522×(191-187)=88715-66-380=269159×(473-470)=477288+111-177=22270×2-46=94461-53-143=265420+134+905=1459813-42-596=175499+308-556=251228+265-362=13131×8=248736-(712-567)=5912/6-1/6=1/630×6-110=7092+416+50=558458-(298-197)=357871+390-965=2965/8-1/8=4/8917-642-113=162411+(189-172)=42882×5-167=243819×4=3276801-394×2=13462-(658-510)=314819×6=4914318+66=384460-(52+263)=145200+202=402482-116=366190-(25+55)=110271+105=376163-105+230=288774-(313+166)=295931-522=409126×7-259=623551+986-126=141167×7=469358×2=716313-81×2=151568-(108+74)=386184+307=491275+(323-181)=417706×3=2118236+(92-65)=263288×(850-843)=2016161+324×2=809454-311=143210-(673-468)=5173+307-478=2850-(116+513)=2211/7+6/7=186×(339-335)=34482+282=364313+341=654474+315=789528+(294-121)=701251+134-317=68785-(139+229)=417219-(490-275)=4399-53×5=134326×4-318=986219+(402-170)=451552×4-623=1585250-226=24431-48=383628+(663-412)=879461-123×3=92671-(869-592)=394277-61=216928-(43+556)=329331-203-38=9072+(274-213)=133120+130+103=353661-12×6=589488-356+121=253491-459+211=243263-145=118111×(767-759)=888363+760=1123307×(216-213)=921717-(736-441)=422233×(84-80)=9325/9-1/9=4/9468-(133+78)=25780×(497-488)=720481+(171-109)=543450-(39+331)=80907-791=116702+23×2=74894×6=564353-(467-156)=42347×(856-849)=2429571-(395+131)=4571×7-327=170395-360+97=132921-(643+150)=128119-10×6=59357-(475-389)=271372-270+682=784422-(480-162)=104308+(32-11)=329918-140+60=838723+84+74=88180+291-343=28342-150×2=42140-114+57=8352+193+414=659373+217=590444-49-121=274711-(631-552)=632221+517=738884-65×3=689246+(426-206)=466897+840+995=2732256-(169+50)=37305×2+839=1449235+46×7=557350×3=1050733-551+386=568471×2=942361-78-88=195914-(504-474)=88476×2=152132×7-865=59130+397=527991-787=204145+256=401427+13-213=227494-67-12=415219+230-303=146678-430-133=1151/6+2/6=3/621+28=49110×9=9901/5+4/5=1421-36×5=241254+325=579334-92-192=50503-81=422476+(92-18)=550296-108=18836+(805-724)=117275×2-247=303158+60=218274+56×2=386722-(478-92)=336275×(953-948)=1375937-533-48=356488-(173+151)=164307×2+20=634922×7=6454521+211+835=1567447-153=294274+(142-138)=278456-(44+34)=378607×2=1214651×6-733=3173106×2=212396-215+210=391239-175+83=147396-81×2=234702-75-497=130112×5+84=644561+(356-313)=604428+840-517=751927+361×2=1649753-191×3=180205-21×4=121468-254+217=431997-42-110=845753+98-694=157872-329-456=8791+94+157=342882-499+328=711129×(358-354)=516191×4-708=56770-(347+64)=359289×8-864=1448848×2-236=1460556+174-407=32334+388-320=10237+(410-312)=135429-(273-93)=249647-373=274131+68×8=67516+337-227=126455+304+203=962149+653+285=1087968-227=741539×5=2695879-201-648=30626-(483-166)=309231+242-462=11426-13×6=34897×7-89=590402×4-235=1373273-(102+43)=12833-32+598=599254+148=402460+169=629520+91=61120×3+58=118821-32×8=565206+455×2=1116490+289=779142+279×3=979404-186=218564-482+396=478252-23×3=183849-188+354=1015887+757+320=1964210+28×6=37889×3+293=56094+294-91=29745×(273-270)=135459-18×3=405145×4+975=1555747+658=140520×(266-263)=60360-(315-188)=233549+934-245=123845+515+256=816481-(68+319)=94864×8=6912464-376-31=57410×5-148=1902356×2+222=934283-29×2=2252/3-1/3=1/3351-24×7=183848-(198+343)=307531+(683-298)=916116+203-213=106144-(664-547)=27753×(934-929)=3765135+(911-612)=434493-356=137915-260=655870-(57+356)=457489-149+141=481869-91×8=141502+509+837=1848253-21-195=37118×6=7084/7-3/7=1/7244×(328-323)=1220150+247=397975-(497+218)=260776-383-285=10871×(329-323)=42690×7+426=1056600-(744-373)=229326×(125-122)=978159×(202-199)=477138-44×2=50340-(51+49)=24049×7+124=467107+369=476333+107=440956+272-872=356160-18×7=3465×2=130104+282+271=65756+144=200651-72+44=623113+69=182542-201+213=554593-(294-199)=498413-325=88450-126×3=72159×6-476=478833-197-259=377486+(79-63)=502765-(85+504)=176112+376-236=252489+476+35=1000102-99+460=463323×4-35=1257661-(43+182)=436376+274+145=79572+364-81=355140+30=170855-267×3=54791-111×6=125306×3=918828-(633-308)=503337-138=199195×3+28=613918-(710-650)=858115+302-132=285395-63×3=206365-112=253232+99×5=727942-377×2=188970-372=598195+608-315=488241-98+131=274180×8-579=86135+756+158=949525+883-66=1342217×(306-303)=651321+457=778249×(220-216)=996691+(925-353)=1263893-(426-419)=8863/8+2/8=5/8126+260+562=948345+116-119=342426+48-368=106290-134=156200×(498-495)=6001/8+6/8=7/8872-706-164=2403-295-66=42262+151=413770-62×8=274558-141+298=715669×(325-317)=5352131+(907-405)=633347-310+316=353871×4=3484358-(362-15)=11231+916=1147215+28×7=411588+868-837=619748-146-168=434445+433+291=1169244+85×8=924879-289+920=1510811-233×2=345304×(947-941)=1824993+746=1739960-571-286=103129+364=493147+172+160=47954+(532-478)=108401-(670-538)=269403×(507-499)=3224396-42=3542/9-1/9=1/989×3-86=181915-(114+397)=404172×4=688271+152-141=282458-10+27=475414-208-86=120899+152×2=1203379+(366-130)=615263-27×3=182453-96-243=114168-111-25=32363-175+28=216219×9-250=1721824-295-273=25681×(166-163)=243451-(302+63)=86418-147×2=124416-69=34716×(269-264)=80177+136-228=8562+689-232=519272×2+282=82667×9=603607+(467-138)=936216×(804-798)=129617×3+87=138519+687-707=499201+134=335784-(413+190)=181596+437+782=1815869-(397-376)=848460-81=379579+694-348=925199+394=593342-184+81=23919×5-78=17786×(997-991)=4716936-(809-691)=818130×2+637=897775×2=1550390+241×3=1113841-15=826315+(462-215)=562578×(970-963)=404661×9=549479-228-64=187780+647+720=2147335+62=397357+960-432=885447+(400-256)=591376-19-294=63711+606=1317418-17-161=24060+57+552=669128+117=245174+713+992=1879116+65=181188-(163-137)=162952-(963-454)=443435-176-160=99226-190=36321+109=430225×3=675226×5-437=69372×6-128=30445×6=270587×5-429=2506182-25=157218-12×7=134209+220-289=140178-85×2=8753×4-450=256237×6+180=402265-145=120824×7=5768263+(478-23)=7185/10+4/10=9/10199-62-48=8956×2+182=294295-42+130=383869-203×2=463643-65×8=123216×(162-159)=648732-18-305=409290-96-194=0340×2=680132×4=528431-320=111538×(270-265)=2690477-178-18=281407-154×2=9928×2=56565+(961-109)=141721×4+102=186246+127×4=754691-81×2=529498-399=99632+(944-185)=1391584-300=28499+151=250442-(306+73)=63793-67-551=1754/8-2/8=2/8326-(358-216)=184240+88=328188-(151-18)=55193×5-392=573133×4-522=10105-(243-185)=47853-253+621=1221324+72=396449×8-564=3028373×8-484=2500275+86=361162+414+14=590415-152=263211-210+15=1677+392+134=603257-(105-16)=168325+63×8=829635-242-88=305135+276=411448-139×2=170399+917-367=949234×2-173=295346+80×5=746175+(792-250)=717350-212+883=1021343-(439-123)=2714×2+64=92260+240-104=396150-(233-228)=145428+151+185=764399-(38+210)=151907-903+45=49530+(133-71)=592412-(453-360)=319760-94+594=1260222+740=962118+440=558148-43=105636-162×3=150487-17-63=407896-(239+296)=361294-25-99=170438-(168+232)=38858-(306+115)=437382-80-135=167131×(377-372)=655441-219=222547-(280+172)=95101+(99-95)=105472-(117+15)=34031×(318-312)=1863/6-2/6=1/6138×(574-568)=828316×4-981=283768-(90+157)=521398-182-172=44308+216+407=931315×5-183=1392450-(17+64)=36972-(311-300)=61456-107×2=242389×2=778468-346+144=26628+(245-31)=242619+493-682=430374×7-590=2028195×(884-880)=780185-(188-63)=60317×(249-246)=951217×3-608=43722-533=189108×5+549=1089279-43×6=2139+(69-25)=83647-122=525167-(313-182)=36201-88+194=307111+506+319=93689×8-500=212560-(291+120)=149714-694+962=98246+41=87305+62×6=677322×2=644521+570+313=1404114+172-31=255602+889+339=1830762+500+16=1278154×(161-157)=616437+238×4=1389379-203=176470-(239+89)=142303-130×2=43391-63-95=23372+425-230=267660+129=789442+(98-68)=472422+(885-768)=5393/8+5/8=14/8+2/8=6/8328-(180+21)=127846-442+976=1380479×5=2395380+61×2=50277+174+186=437295+618=913482+101+537=1120988-(540+102)=346871-120-474=277705×6=423058×8-36=428120+27+758=905249+(250-142)=357270×6=1620448-(332-33)=149236-(281-97)=52627×2-166=1088474+(909-266)=111772+361+397=830818×7=5726448+(946-313)=108195-31+415=479360+447-126=681331-214=117793+428-458=763906+334=1240456-44+41=453617-41+441=1017164+178+403=745249×2=498292×8=23365/10+2/10=7/10861+552-458=955423-28×7=227416-(44+205)=167652+63+554=1269262+(334-268)=328888+(353-264)=977417-(438-217)=196452-408+254=298102×3+340=646548-131=417334×2+69=737147×2-169=125368-186=18299+994+753=184670×2=140454×(41-37)=1816456-(27+85)=344177+270-242=205912×(20-14)=54725/7-2/7=3/796+130×2=356430×(967-963)=1720659×6-255=3699486-(108+228)=150254-(408-163)=9478-(49+119)=310488×7-442=2974370-(436-230)=164542+96=638344-201-24=119843+986+639=2468182×2-133=231847-586=261633-132×2=369111×(907-901)=666268+126-371=23830×(575-567)=6640601-(