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三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦342-(100+64)=62+353-14=4/8-2/8=471+(809-504)=836-(747+10)=6/10-1/10=4/5-1/5=394-(378-16)=493-234×2=71+305=422-124-224=35+365-10=37×4=416-(627-218)=199-68+21=797+773-17=544-63+757=76+12×9=316+470-549=928-567=124-89=619-86-58=566+415=59-11=992-226-75=389+321+213=139+500=500-70-166=438-77=918+192=42+312-318=879×(712-705)=669-(996-409)=960-353=436+334-156=440×4-673=554-101×4=61+398+481=935+459-809=820+(877-525)=180+986=3/8+2/8=222+403+980=858+949+460=292-19-186=454-175+74=398-361+218=142×2=64+228×3=819×9-30=731×6=46+269+258=534×4-687=913-46=871-441+941=372-(351-328)=900-(27+164)=1/8+7/8=438×2+922=977-48×8=769-388-29=259+152=551-105=57+338-352=673×(411-405)=389-(99+166)=379-61-119=671×(935-930)=310×(99-96)=459-(63+133)=374+10×4=425-276-55=244+227+108=993×9=53×5-27=433×2=278-51×3=468×8-51=84×(25-20)=157×7-888=745+409-444=160×5-116=202+(447-75)=911+835+641=351+66=779×8=946×(422-416)=864-135-553=94+803+621=587+571=678-130×2=250×8-943=454-70-289=433-309+990=285-78×2=46×7-153=835+690+927=320+116+477=110-78=678+99+53=83-25=969-213-698=473-35×4=150-61=80+142×2=366-301+259=488-481+226=457-(75+304)=442-(121+70)=143+(622-96)=662+703-97=487+80×8=297+191-405=198-(15+97)=432-(297+118)=555+(605-415)=493-391=737-246+151=394-(186+207)=304-12×3=788×(901-893)=844+129-76=169+127=58×4=171+810=236+34×3=454×2-19=966-(538-336)=289-(167-35)=452-61-317=116×5-498=436×5-340=831×4=693×7=387-62+572=99-72+76=445-(98+260)=58+277=15+(275-64)=76+72+108=561+205=274×9=13-(93-89)=52+89=469+(417-370)=474-(273+12)=669+80×7=915-(10+771)=65×4+205=106×5=422+(415-407)=70+118-104=742-482-51=875-(179+137)=802×(799-792)=210+62=23+445-174=292-155+695=346-87=293+27-93=900+541-794=123+137=126×4-57=721+390-724=258-19×4=3/8-1/8=354-105+175=725-114-560=59+(343-125)=19+184×2=52×9=105×(87-78)=152-95-17=513×(296-293)=743-14=292×2+192=165×(716-707)=43×2=545-(620-323)=574-(119+205)=752+162=47×7+296=571-(861-667)=31×5+971=39×(302-295)=713-571=24×8+317=746×5-760=853+(372-78)=999-(481-442)=98×7-32=692-126-195=816-(427+351)=181+(988-411)=114-35+175=920-(28+200)=123+213=669-248-81=99×(384-378)=630×(537-528)=366+42-201=243-225+25=123×7-99=257-(172-28)=993-165=325+694-994=81×(214-208)=40+(242-48)=76+174=341-(352-288)=2/8+4/8=386-260+646=289+(992-433)=254+44-237=547-(412-208)=712-74×3=532+21×8=121+217=542+27×9=115×(197-192)=97+327-228=5/10-4/10=660-(674-641)=726×(559-555)=443+117+231=120×5+247=29×(486-483)=330+356=933×(844-840)=946-175×5=625+505+627=480+(349-257)=65×5-160=241×(168-165)=141×8-153=23×7+331=511-282+65=389-(83+261)=194+(367-233)=79+409-28=922×3=539-132-216=322-20×2=188×(223-218)=69×4+96=3/6-2/6=406-295=504+505-835=275-(35+143)=31+16×2=491-222=241+84-123=237×3=697×3-740=943-315-509=732-146×2=331×(290-287)=96×6-145=447-370=508+(866-660)=978-(44+710)=235×4-554=181×4-175=2/5+3/5=282×(141-135)=308-172+177=42×(292-284)=452-271-32=763×9=251×2+489=38+61-90=121×5=622+321+450=474+(963-565)=224×4-876=809-732=390-28-346=852-585+509=62×3=761-174×3=736-532+487=812+653-259=122×7=374-133×2=425-141-190=414+(362-120)=798-132×4=26+155=77+292+575=466-(461-117)=488+558-506=276-17×9=589×2-89=162-(497-442)=548+(147-113)=727×5=354+73-61=66×3=390+100=567-336+932=302-237-39=160-(346-235)=359-(438-160)=538+606+701=201-32×3=376×9-225=155+980+546=847+756-486=32+107-43=1/7+2/7=802-10×7=918-114×3=696-(29+442)=197+215=979+(526-255)=435-(66+268)=615+243=797-571=961-(799-63)=447-108+136=154-(196-166)=138×(70-63)=810-517-117=293+631-235=302+824-140=96+(415-380)=572-74×6=108×5-17=27×5=587×6-238=429-(445-422)=335-251+88=648-377-150=944+508-380=2/4-1/4=498-429=799-78+177=205-73=30+50=154+392+354=701+129×4=396-(163+85)=919+(957-468)=510-67-96=221+417+40=331-(330-176)=427+329+626=223+697-814=146+302=863-(15+633)=17×4+278=301-106-169=682×3=189-22×3=871-810=378+625=687-577+896=392-13×6=320-(221+28)=69×4=619+416=575-312+866=280+774+934=249+(416-57)=760-355=558×8=707-(725-620)=538-268+274=860-(680-552)=830-(95+260)=195+48+306=244×4-369=605+560+977=1/8+5/8=477×2-475=469×6-894=132×(130-123)=672-57×3=649×4=163×5=875×4-933=832-391+962=3/9+4/9=116+88-139=171-(479-443)=532×7=56×2+521=921-211=48+425+142=386×(853-844)=378-91+140=211×(114-111)=917×4=42×6=426-76+25=59+128=729×(232-224)=308-62×3=52+(248-144)=550-525+756=440-60×3=761×(238-231)=582+177+30=743-71-56=97-81+415=814+773+799=812-(261+154)=232+194-141=409+77=77×4+510=753×2=544-37×3=265-(48+213)=770-(654-561)=471-320-110=287+114-369=138×6-618=827-(373+217)=780-32×4=282+73=374-(23+253)=496-69×3=195+101+652=74×(17-12)=194+227=724-81×3=489-46-403=533-352=165+(268-59)=342-285=330+(438-435)=477+(576-189)=225+145-275=134×6+250=188-(404-252)=196-54=303+250+33=191×9-564=285×(115-112)=416-11×8=205+148+249=60+77×2=212-30×7=3/8-2/8=519×4=971-507=390+270+332=244×2+347=496+116+370=355-(18+202)=92×9=415-115+12=569+315-597=296+539=111-39+208=938-(759+145)=113×4=892-79×4=700×8-159=414-380+18=244+515+954=633+(882-245)=354-58×4=454+182+146=601-389-134=137×6=470-(176+280)=582+26+886=110-43×2=748-110=937×5=4/7-2/7=48×9=919×2=516×2-410=379-109=998×(893-888)=190×3-273=897-(539-444)=386-94×4=859×5=179-12×7=220+62=299+(376-160)=384-248+340=201-103=242-44-76=318-95=345-(232-17)=68+(638-379)=68×3+319=976-(865-774)=168×(689-686)=444-(298+54)=585+(836-79)=64×3-55=240+27×6=813-(847-717)=907-(625-323)=798-506-263=910×3=406-97+25=657+940=22×(17-10)=924-(690+200)=798-132×6=802-132=471-66×3=858-(899-534)=75+131×5=98×(311-304)=980-923=77+60=232×5-501=105+279=119×5+140=475+110+388=753-584-49=291×(810-803)=606-(10+407)=162-65-51=239×3+503=626-58×8=234×3+810=462-297=387+636+819=416-(355-14)=422+(317-202)=410-(297+83)=763-(358-76)=608-142-448=561-(266+59)=457-444=954+251-863=306-179-112=177+278=224+222-346=125-(77+42)=717+89-328=359+78+310=516-373=438×2=212×3+916=55+566+364=44×(385-379)=659+(771-246)=918+(542-110)=914×(810-807)=371×(539-531)=235-98+564=330×(180-177)=216-25-58=439×(420-414)=810×5=576+235×4=274-19×2=59×8=795+966=85×4+62=367-(449-297)=455+(532-496)=789+(402-75)=530×3=3/7+2/7=996+(952-927)=333+118×4=711+947+943=480+365-309=164-(279-172)=141×3+478=332+59×7=359-156=185+(934-438)=432-383-43=57+(319-138)=488+673-103=610+(942-213)=272-(68+133)=250-70=524-43-468=88×(189-182)=488-434+424=306-(286-62)=579+(672-228)=414-280=349×2+958=40+108=392-(250+108)=58×8-379=21×(273-266)=904-57-396=3/7-1/7=308-(146+19)=673+826=84+89-87=81×8-382=120×4=177+286-231=414-49×4=599+12+360=312×5-414=112+(180-38)=125×3-283=99+345=312+(122-68)=139×(23-17)=896-114-771=99+97×6=175-(265-263)=890-581+809=178×3+343=774×(996-989)=48×3+465=466-(316+133)=528-(168+195)=470×(123-114)=215-(257-154)=140+88+239=946-(353-306)=474-(222+51)=96×8-318=83+396-466=297+466+125=485-202=383-(228+17)=112+223=324+130=77+180×2=100+104+110=446-71+44=106×5-263=775×6=565-143-102=895-117×6=932-689=768+215+978=40+264-219=431+(222-65)=25+308×2=156+216+375=381×2-495=735-(89+251)=358+(449-66)=439-(243+163)=146+(449-49)=553+229=359+602-795=83×(336-329)=390-170×2=72+63×9=592-(561-415)=63-(908-851)=26×(289-280)=2/9+3/9=242+231=308-279+80=189+250+25=404-49×4=86+448=126×2=209×2=540×9-223=414+100=847-55×5=892-(472+415)=202+36×2=429-164=171×5+99=4/10-3/10=479-45=378+(252-181)=820+(926-213)=493-424=329-248-33=472-35-249=221-(165+53)=592+332+350=180-66×2=308+751+466=142-73=995-396-157=172+217=902-(14+536)=605-277+340=264+255×3=298×3-390=1/4+2/4=287-(259-179)=479-224-22=106+134=971+(925-243)=534+601=886×(470-461)=205×2=820-169-208=403-77+21=98+(283-82)=583+487=355+103=138×8=350-143×2=466×5=123+148=109×4+219=437-410+215=912-(982-845)=404-120=399×5=166-51=630+107×6=437-390+438=198-13×6=836-(847-215)=472-(179+51)=531-235+691=597-(228-60)=416-153+178=95×2=418+76×3=374+(401-283)=42×9=164+296-103=276×5-77=128-47-39=445-(490-278)=587×(777-774)=386×2-500=152+439+782=539×8-379=386-380+209=415-(406-182)=57+113×7=241×3=333+480+519=308-190-12=901-462+587=72×(460-451)=407-194+272=49×8+484=638×8-389=578-447+760=826×(625-620)=39×6=824-340+485=458-45-147=886-66×8=357-71-283=333-(74+86)=483-(244-133)=179-(268-120)=559+485+340=238×2=461-102×3=272-22-161=373-221=218×(169-165)=619-119=333-(42+97)=992-(115+532)=29+239×4=246+801-842=371+(908-660)=891-(279+572)=219-100=349-97×3=232-167+70=668-(618-339)=824-564-202=517×9-433=23+(234-96)=558-193-36=735-277=369×2-493=108×9-526=932-127=473-21+930=146×6-768=435+183×3=80-(89-24)=447-(95-33)=824+748=259-(342-292)=405-39-81=506-142=918-250×3=240×4=665+(621-596)=137×6+74=44+(463-450)=82+49+134=78×8-367=256+576-74=381+(89-62)=885×7-103=211+(417-228)=544+737+131=295+155=778+211×3=861-202+295=310×(503-498)=1/6+4/6=154-(443-385)=458-443+119=337+124-425=395×(334-325)=167-22×2=191×(361-357)=215-(354-318)=463-130-291=197+82=243+201-153=89+364+298=105×(411-406)=641+927=445×8=305+414=368-(251-246)=300-(907-790)=325×3-39=738-691+237=500-334-77=453-(55+82)=761-375×2=318×2=139+(308-62)=300-106-83=298+293+107=190+418+295=455-309=4/7+2/7=408-241=182+32=641-25×9=322-13×9=299-26=880-(767-705)=58×(346-337)=242+979+255=397-79=112×(296-289)=361-130-73=237+424-541=13+442-376=701-(67+280)=550+493-466=519-73+606=883+328+361=210-25×7=840-(84+665)=224+(160-36)=348-156+411=86×4+526=821×9-957=683-(310+133)=187-53×2=7/10-2/10=67+(280-116)=298-206=394-75×3=108+901-714=725+339+217=401+37-55=872+979-296=878×9-829=參考答案342-(100+64)=17862+353-14=4014/8-2/8=2/8471+(809-504)=776836-(747+10)=796/10-1/10=5/104/5-1/5=3/5394-(378-16)=32493-234×2=2571+305=376422-124-224=7435+365-10=39037×4=148416-(627-218)=7199-68+21=152797+773-17=1553544-63+757=123876+12×9=184316+470-549=237928-567=361124-89=35619-86-58=475566+415=98159-11=48992-226-75=691389+321+213=923139+500=639500-70-166=264438-77=361918+192=111042+312-318=36879×(712-705)=6153669-(996-409)=82960-353=607436+334-156=614440×4-673=1087554-101×4=15061+398+481=940935+459-809=585820+(877-525)=1172180+986=11663/8+2/8=5/8222+403+980=1605858+949+460=2267292-19-186=87454-175+74=353398-361+218=255142×2=28464+228×3=748819×9-30=7341731×6=438646+269+258=573534×4-687=1449913-46=867871-441+941=1371372-(351-328)=349900-(27+164)=7091/8+7/8=1438×2+922=1798977-48×8=593769-388-29=352259+152=411551-105=44657+338-352=43673×(411-405)=4038389-(99+166)=124379-61-119=199671×(935-930)=3355310×(99-96)=930459-(63+133)=263374+10×4=414425-276-55=94244+227+108=579993×9=893753×5-27=238433×2=866278-51×3=125468×8-51=369384×(25-20)=420157×7-888=211745+409-444=710160×5-116=684202+(447-75)=574911+835+641=2387351+66=417779×8=6232946×(422-416)=5676864-135-553=17694+803+621=1518587+571=1158678-130×2=418250×8-943=1057454-70-289=95433-309+990=1114285-78×2=12946×7-153=169835+690+927=2452320+116+477=913110-78=32678+99+53=83083-25=58969-213-698=58473-35×4=333150-61=8980+142×2=364366-301+259=324488-481+226=233457-(75+304)=78442-(121+70)=251143+(622-96)=669662+703-97=1268487+80×8=1127297+191-405=83198-(15+97)=86432-(297+118)=17555+(605-415)=745493-391=102737-246+151=642394-(186+207)=1304-12×3=268788×(901-893)=6304844+129-76=897169+127=29658×4=232171+810=981236+34×3=338454×2-19=889966-(538-336)=764289-(167-35)=157452-61-317=74116×5-498=82436×5-340=1840831×4=3324693×7=4851387-62+572=89799-72+76=103445-(98+260)=8758+277=33515+(275-64)=22676+72+108=256561+205=766274×9=246613-(93-89)=952+89=141469+(417-370)=516474-(273+12)=189669+80×7=1229915-(10+771)=13465×4+205=465106×5=530422+(415-407)=43070+118-104=84742-482-51=209875-(179+137)=559802×(799-792)=5614210+62=27223+445-174=294292-155+695=832346-87=259293+27-93=227900+541-794=647123+137=260126×4-57=447721+390-724=387258-19×4=1823/8-1/8=2/8354-105+175=424725-114-560=5159+(343-125)=27719+184×2=38752×9=468105×(87-78)=945152-95-17=40513×(296-293)=1539743-14=729292×2+192=776165×(716-707)=148543×2=86545-(620-323)=248574-(119+205)=250752+162=91447×7+296=625571-(861-667)=37731×5+971=112639×(302-295)=273713-571=14224×8+317=509746×5-760=2970853+(372-78)=1147999-(481-442)=96098×7-32=654692-126-195=371816-(427+351)=38181+(988-411)=758114-35+175=254920-(28+200)=692123+213=336669-248-81=34099×(384-378)=594630×(537-528)=5670366+42-201=207243-225+25=43123×7-99=762257-(172-28)=113993-165=828325+694-994=2581×(214-208)=48640+(242-48)=23476+174=250341-(352-288)=2772/8+4/8=6/8386-260+646=772289+(992-433)=848254+44-237=61547-(412-208)=343712-74×3=490532+21×8=700121+217=338542+27×9=785115×(197-192)=57597+327-228=1965/10-4/10=1/10660-(674-641)=627726×(559-555)=2904443+117+231=791120×5+247=84729×(486-483)=87330+356=686933×(844-840)=3732946-175×5=71625+505+627=1757480+(349-257)=57265×5-160=165241×(168-165)=723141×8-153=97523×7+331=492511-282+65=294389-(83+261)=45194+(367-233)=32879+409-28=460922×3=2766539-132-216=191322-20×2=282188×(223-218)=94069×4+96=3723/6-2/6=1/6406-295=111504+505-835=174275-(35+143)=9731+16×2=63491-222=269241+84-123=202237×3=711697×3-740=1351943-315-509=119732-146×2=440331×(290-287)=99396×6-145=431447-370=77508+(866-660)=714978-(44+710)=224235×4-554=386181×4-175=5492/5+3/5=1282×(141-135)=1692308-172+177=31342×(292-284)=336452-271-32=149763×9=6867251×2+489=99138+61-90=9121×5=605622+321+450=1393474+(963-565)=872224×4-876=20809-732=77390-28-346=16852-585+509=77662×3=186761-174×3=239736-532+487=691812+653-259=1206122×7=854374-133×2=108425-141-190=94414+(362-120)=656798-132×4=27026+155=18177+292+575=944466-(461-117)=122488+558-506=540276-17×9=123589×2-89=1089162-(497-442)=107548+(147-113)=582727×5=3635354+73-61=36666×3=198390+100=490567-336+932=1163302-237-39=26160-(346-235)=49359-(438-160)=81538+606+701=1845201-32×3=105376×9-225=3159155+980+546=1681847+756-486=111732+107-43=961/7+2/7=3/7802-10×7=732918-114×3=576696-(29+442)=225197+215=412979+(526-255)=1250435-(66+268)=101615+243=858797-571=226961-(799-63)=225447-108+136=475154-(196-166)=124138×(70-63)=966810-517-117=176293+631-235=689302+824-140=98696+(415-380)=131572-74×6=128108×5-17=52327×5=135587×6-238=3284429-(445-422)=406335-251+88=172648-377-150=121944+508-380=10722/4-1/4=1/4498-429=69799-78+177=898205-73=13230+50=80154+392+354=900701+129×4=1217396-(163+85)=148919+(957-468)=1408510-67-96=347221+417+40=678331-(330-176)=177427+329+626=1382223+697-814=106146+302=448863-(15+633)=21517×4+278=346301-106-169=26682×3=2046189-22×3=123871-810=61378+625=1003687-577+896=1006392-13×6=314320-(221+28)=7169×4=276619+416=1035575-312+866=1129280+774+934=1988249+(416-57)=608760-355=405558×8=4464707-(725-620)=602538-268+274=544860-(680-552)=732830-(95+260)=475195+48+306=549244×4-369=607605+560+977=21421/8+5/8=6/8477×2-475=479469×6-894=1920132×(130-123)=924672-57×3=501649×4=2596163×5=815875×4-933=2567832-391+962=14033/9+4/9=7/9116+88-139=65171-(479-443)=135532×7=372456×2+521=633921-211=71048+425+142=615386×(853-844)=3474378-91+140=427211×(114-111)=633917×4=366842×6=252426-76+25=37559+128=187729×(232-224)=5832308-62×3=12252+(248-144)=156550-525+756=781440-60×3=260761×(238-231)=5327582+177+30=789743-71-56=61697-81+415=431814+773+799=2386812-(261+154)=397232+194-141=285409+77=48677×4+510=818753×2=1506544-37×3=433265-(48+213)=4770-(654-561)=677471-320-110=41287+114-369=32138×6-618=210827-(373+217)=237780-32×4=652282+73=355374-(23+253)=98496-69×3=289195+101+652=94874×(17-12)=370194+227=421724-81×3=481489-46-403=40533-352=181165+(268-59)=374342-285=57330+(438-435)=333477+(576-189)=864225+145-275=95134×6+250=1054188-(404-252)=36196-54=142303+250+33=586191×9-564=1155285×(115-112)=855416-11×8=328205+148+249=60260+77×2=214212-30×7=23/8-2/8=1/8519×4=2076971-507=464390+270+332=992244×2+347=835496+116+370=982355-(18+202)=13592×9=828415-115+12=312569+315-597=287296+539=835111-39+208=280938-(759+145)=34113×4=452892-79×4=576700×8-159=5441414-380+18=52244+515+954=1713633+(882-245)=1270354-58×4=122454+182+146=782601-389-134=78137×6=822470-(176+280)=14582+26+886=1494110-43×2=24748-110=638937×5=46854/7-2/7=2/748×9=432919×2=1838516×2-410=622379-109=270998×(893-888)=4990190×3-273=297897-(539-444)=802386-94×4=10859×5=4295179-12×7=95220+62=282299+(376-160)=515384-248+340=476201-103=98242-44-76=122318-95=223345-(232-17)=13068+(638-379)=32768×3+319=523976-(865-774)=885168×(689-686)=504444-(298+54)=92585+(836-79)=134264×3-55=137240+27×6=402813-(847-717)=683907-(625-323)=605798-506-263=29910×3=2730406-97+25=334657+940=159722×(17-10)=154924-(690+200)=34798-132×6=6802-132=670471-66×3=273858-(899-534)=49375+131×5=73098×(311-304)=686980-923=5777+60=137232×5-501=659105+279=384119×5+140=735475+110+388=973753-584-49=120291×(810-803)=2037606-(10+407)=189162-65-51=46239×3+503=1220626-58×8=162234×3+810=1512462-297=165387+636+819=1842416-(355-14)=75422+(317-202)=537410-(297+83)=30763-(358-76)=481608-142-448=18561-(266+59)=236457-444=13954+251-863=342306-179-112=15177+278=455224+222-346=100125-(77+42)=6717+89-328=478359+78+310=747516-373=143438×2=876212×3+916=155255+566+364=98544×(385-379)=264659+(771-246)=1184918+(542-110)=1350914×(810-807)=2742371×(539-531)=2968235-98+564=701330×(180-177)=990216-25-58=133439×(420-414)=2634810×5=4050576+235×4=1516274-19×2=23659×8=472795+966=176185×4+62=402367-(449-297)=215455+(532-496)=491789+(402-75)=1116530×3=15903/7+2/7=5/7996+(952-927)=1021333+118×4=805711+947+943=2601480+365-309=536164-(279-172)=57141×3+478=901332+59×7=745359-156=203185+(934-438)=681432-383-43=657+(319-138)=238488+673-103=1058610+(942-213)=1339272-(68+133)=71250-70=180524-43-468=1388×(189-182)=616488-434+424=478306-(286-62)=82579+(672-228)=1023414-280=134349×2+958=165640+108=148392-(250+108)=3458×8-379=8521×(273-266)=147904-57-396=4513/7-1/7=2/7308-(146+19)=143673+826=149984+89-87=8681×8-382=266120×4=480177+286-231=232414-49×4=218599+12+360=971312×5-414=1146112+(180-38)=254125×3-283=9299+345=444312+(122-68)=366139×(23-17)=834896-114-771=1199+97×6=681175-(265-263)=173890-581+809=1118178×3+343=877774×(996-989)=541848×3+465=609466-(316+133)=17528-(168+195)=165470×(123-114)=4230215-(257-154)=112140+88+239=467946-(353-306)=899474-(222+51)=20196×8-318=45083+396-466=13297+466+125=888485-202=283383-(228+17)=138112+223=335324+130=45477+180×2=437100+104+110=314446-71+44=419106×5-263=267775×6=4650565-143-102=320895-117×6=193932-689=243768+215+978=196140+264-219=85431+(222-65)=58825+308×2=641156+216+375=747381×2-495=267735-(89+251)=395358+(449-66)=741439-(243+163)=33146+(449-49)=546553+229=782359+602-795=16683×(336-329)=581390-170×2=5072+63×9=639592-(561-415)=44663-(908-851)=626×(289-280)=2342/9+3/9=5/9242+231=473308-279+80=109189+250+25=464404-49×4=20886+448=534126×2=252209×2=418540×9-223=4637414+100=514847-55×5=572892-(472+415)=5202+36×2=274429-164=265171×5+99=9544/10-3/10=1/10479-45=434378+(252-181)=449820+(926-213)=1533493-424=69329-248-33=48472-35-249=188221-(165+53)=3592+332+350=1274180-66×2=48308+751+466=1525142-73=69995-396-157=442172+217=389902-(14+536)=352605-277+340=668264+255×3=1029298×3-390=5041/4+2/4=3/4287-(259-179)=207479-224-22=233106+134=240971+(925-243)=1653534+601=1135886×(470-461)=7974205×2=410820-169-208=443403-77+21=34798+(283-82)=299583+487=1070355+103=458138×8=1104350-143×2=64466×5=2330123+148=271109×4+219=655437-410+215=242912-(982-845)=775404-120=284399×5=1995166-51=115630+107×6=1272437-390+438=485198-13×6=120836-(847-215)=204472-(179

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