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761-460-280=273+72×7=354-123-175=428×3=264-31×3=436-(482-231)=56+363+103=256-171=223-10×8=275-120=143-131+306=165×6-162=196+266=581+996-670=475×2+938=74×4+980=84×8-325=935×2=99×7+151=812+27-186=316+55-263=133×6=363-(37+69)=813-267=258-94-114=859-(160+252)=77-(382-349)=347×5-209=500-103=91×7-123=74+213-56=443×(188-181)=865-(408+181)=248+160=44+223-188=786×4-78=380×8-22=618-41-381=462-69+124=755+(753-627)=470-224+107=559-(286-105)=92+304-219=161×9-39=134+186=466-98×3=180+250=338-47=13+71×9=640+771-267=483-259=225+515=251×(114-111)=313+66=453-100×3=456-10×2=209+28+285=248×2-109=609-124=39×(67-59)=432-(395+18)=354-212+29=581-221-175=287+33-149=570-(658-592)=744-134+459=323-60=417-(259-103)=260+314=3/6-2/6=467+57×4=71×9+90=854-211=101+391=56+304=138×5-512=196×2=261×2+364=87+124×6=76×2=397-(261+59)=63×8=116+666+89=408+(339-218)=119+355+110=908-63×6=276×2-386=276+(328-122)=172-(476-323)=718-344×2=1/5+3/5=947-(638+134)=518+979+356=461-(280-13)=102×5+927=34+712+74=148+308=160×(407-402)=634×2=581-522=869-141×2=161-44+364=123+276×2=961-905-20=362+715-841=500×3-152=173+125+360=76×(221-217)=662×2-184=854-(328+497)=261-58-139=374-(14+356)=906-614+625=263×3=264×(435-432)=5/10-1/10=216+708+918=990-(724-334)=870×3-366=459-(341-188)=44+(368-144)=869-36×5=459+847+478=701-(96+459)=407+(346-40)=515+(422-157)=487-(145+131)=205+269-58=294-32×6=278+17+35=347-(36-17)=740-617=405+264=660+351-345=390-360+395=757-174×2=760-(224+205)=2/6-1/6=859-381-186=735-29-505=302×3+657=949-286×2=164+(456-293)=843-148=83+309-153=405+(774-242)=263+44=443-(733-727)=178+147=19×(296-290)=801-176+297=713-117-393=971-270×3=355-82×3=922+320-47=102×9=690×7=345×(624-621)=284+236=705-648=279+427-219=4/8+2/8=933×(84-76)=467+84×3=87×2-78=927×(564-556)=344-78×3=430-117-86=350-40-282=397×(120-116)=476-14=347+(305-16)=196+(883-656)=300×2+622=227-55+358=870-759=248+572+103=480-15×6=662+635+983=983+174-127=339+220=212-41=676-56×6=140+57=641×(366-357)=221-196=620-29×8=743-247-205=423+36-167=616-(329+224)=157-41=77×(113-109)=778-378-149=536-155×3=897-(731-352)=929-221+394=344+(431-162)=282-(300-112)=265-20-162=123×4+644=294+168-389=24+55×9=1/8+3/8=335+440+839=106-45+205=164+120+126=453+(581-566)=3/4-1/4=378-174×2=857-(62+702)=75×(230-225)=215×8=355-69×5=500-(123+188)=111+151=2/8-1/8=238-(429-416)=471-(353-247)=145+(465-243)=421-134-61=1/7+5/7=96×4+380=29×7+387=417×2=902+846+699=290-(298-53)=72×9=137+183-189=745+16×5=641-(694-293)=997-274=770-47×5=198-18-131=114×4=98-(173-88)=417-201+141=224-(397-292)=309×8=334-(183+47)=427+47+252=486+559-84=229-49×4=762-109×3=410-76×2=453+251=632-247+424=281-59×3=153×(22-19)=472-(415-91)=540+275+857=371+99-231=736-55×2=758×3-721=998-27×2=124+123=487+(947-635)=362+489+275=4/8-3/8=439+86=157-(370-246)=670-122-142=126-94+408=559×9-678=188+(455-441)=723-41-62=94+(391-44)=803-15×6=110+58+508=4/7-2/7=971-(468-127)=353-(534-286)=797×3=266×3-42=351-(484-180)=923-548+903=298-42=192×2-29=246×3-19=968×7=122+360-380=162+281-33=231-26-163=975+276×2=186×5-550=799+28×7=298+156+880=417-135=433-(67+105)=682×7-830=457-16×4=208×3+266=652-68×5=573×(352-343)=333-78×4=867-(132+199)=291+(356-273)=110+555=147+17×6=167+221=810×6=662×4=142×5=294+11-171=257+301+258=436×2-54=201×2-218=97-12×2=424-(130+280)=123×5+227=400+463+24=978×(507-504)=532-495+87=163-124=657-(686-406)=33-13=784-715=207+473+84=405+886=129×(236-232)=161×(362-357)=298-(396-249)=199+(417-92)=47×2+173=667-116=825-(398+394)=429×4=415-44×7=455×2-826=49×(40-34)=607+391×2=191-(282-95)=911×4=596-484+436=806+(943-165)=323+70=240-(51+105)=517-183=325-230=450-(390+49)=458-(435-269)=442-175=285-50×2=178-169+350=20×7+372=439+55×6=146+(678-228)=143+(523-85)=905-(697+141)=716-(162+89)=811-217-51=471-189-29=484-13×5=31×(130-123)=410-83-85=752×(276-269)=225-124+377=19+642+155=783×(88-85)=446-174-244=349-260+295=283+(253-224)=231×3-529=301-273+174=1/8+4/8=825-260=483-381+389=233-(408-209)=384-(27+10)=266-27+155=166+149=327+(161-131)=230×4=247×(262-259)=361+134-485=653×7-805=369×7=99×5+312=338+50×3=153×2=442-157×2=200-93=738-359-218=967-207-363=363+(372-64)=36+554-321=635-309=974-(867-571)=474-57×2=137+(985-243)=322-77-224=93+118=37×(393-390)=476×2-742=51+286=395+89=677×7=546×(720-715)=387-(382-197)=66×(896-891)=289×2+113=846+211-602=50+166-30=2/4-1/4=407+(272-223)=977-(611+95)=333×2-616=334×(324-317)=115+(162-16)=114+203-198=141×6+109=146+142-23=654-70=193-44×4=811+330+61=39×(112-103)=485+(470-213)=384-152+71=786-410=257-206-30=587-332-38=991×5=719-(171+230)=894×7-875=382-187=809+(224-210)=642-(50+452)=983-835-58=289×7-114=413-162+69=435+192=42+115×3=248-85+261=527+846-445=530-207×2=318-13×4=186+456+238=647+341+685=107+57+443=165+113=322-(262-98)=242-49=481-219-14=277-22-244=996×2=4/5-1/5=6/10-3/10=473+(494-122)=475-(156-15)=272-82-130=151+99+58=492+(197-176)=876+535-461=116×(359-354)=413+241+194=275+87×8=50×(435-430)=401×2=282×2-542=501+305=421+(410-222)=699-216+920=438+11×5=188+(694-656)=58×(847-844)=780+987-248=829-616+420=367+95=146+946-481=5/7-1/7=300-(308-15)=597+794+696=201×(233-230)=428×(245-241)=845+196=176+264-332=651-(547-533)=303-78-67=230+93×3=267+39-257=484-(919-500)=419-(103+200)=33-(286-271)=974-(193+97)=239-(766-527)=2/10+6/10=186×(189-186)=133+(294-130)=753-715+448=438-119=210+523+96=350+(895-568)=93×2+795=353-75-64=29×3=678×2=821-734+84=399-236+91=4/6-1/6=140+18×3=513+530+506=122×4+418=500-(145+159)=374-(244-97)=456-(866-810)=208-58-16=758×8=968+(722-83)=388-(413-111)=410-340+117=87×(623-614)=877-(116+597)=100×6=465×3-196=650-398+303=647-139-198=445-251+44=617×7-849=498-62-17=880-774=287×2=725-15×5=372-22+124=732-37=62×6=445-59×5=54+421-37=24×9=689×8=219-(599-543)=264+37×8=311+(462-211)=387-80+83=131+(377-10)=2/6+3/6=14×(48-43)=209+583=478-297=408-(41+20)=121+280=160×3+500=853-27-89=144+242+896=29×9+771=211+164=374-208-140=486-(218+68)=763×2=170×3+247=438-346-13=35+193+610=318-28+201=57×5=907×5-553=54+93=141×(185-181)=781+78+625=725-(824-492)=383+93-433=399-(401-72)=160-151+21=135+550+259=234×6=2/7+4/7=524+692-728=84-38=360+(911-433)=970+993-491=653+274×2=136+142-102=815×4-976=927-49=297-278=319-271+720=952-(645+95)=616×5-763=40×5=98+134-124=102×(478-473)=987-619-339=457-457+594=487+(528-191)=456-13×9=598+(652-312)=895-222×4=290-17×7=454-53×7=414-(79-69)=704+108+218=55×2-78=931+(769-466)=499-63-359=42+259-155=649-607+98=495+(453-440)=920-860+917=568+27+284=495+677-392=57×3=911-(670+170)=492×2-934=575+462-278=492-(21-15)=607-214-93=271-30=208-151=204+127=77×9=783-568+289=116+(386-286)=419+706+465=443-41-217=345×2=646-316=329×9-420=842-696=114×4-24=82-30+290=635+(867-387)=390-(267+42)=199-(23+27)=201×(484-480)=11×8+199=461-(93+246)=358-43×4=216-(495-470)=237+(439-269)=824+(677-91)=413-104×2=455-(266+180)=195×5=167+967-16=957+219+860=462-(22+227)=317+49-133=180+65=456-84-215=150+116=360-76=191-65=652-28×6=137×3+226=285-116×2=104+326+518=457-188=466-364+248=190×4-748=828-(471+214)=149+350-434=474-395-67=55×(258-253)=88×(426-419)=783+(970-270)=802+836+883=480-20-451=51×7=793+50+196=182-(646-575)=144+478-234=391+529+431=497-359=879+31+32=512+(602-257)=810-197×2=871-258-301=406+86×3=429+(483-255)=764×(968-962)=320-(123+193)=834+402-805=173×4=467-(266-259)=421×(847-842)=115+(207-144)=310+859-796=953-121×6=208+25×3=41+54=179+45-147=293-82+752=186-98+348=588×8-297=361-(252-116)=98+46-101=699+550+468=192+293=1/3+2/3=105+351-370=368+396+256=679×7=288-(47+236)=276-(140+72)=275×(290-287)=435-(30+266)=173×5-359=149×5=425-28×8=387×(307-304)=98×(37-30)=767-(635-72)=259+93=244×4=143×5+682=248+217+237=871-(421-331)=933+(216-93)=461+431+843=902×9-202=331+490+59=499+(559-451)=415×4-393=89+(790-510)=287+166+542=225+48=507+346=673+430-564=675-(98+361)=474-41=221×9=99+263=512-(513-214)=826-(775+37)=844×(878-870)=534-(700-632)=159-64-25=96+282+143=352-40×7=483+12×3=428-228-180=331-(131+154)=677-31-345=258+37+686=733-181×2=576+(992-756)=302×(313-305)=726-(353+276)=399-(10+151)=384-(164+60)=236×4+900=375-70=156×3=637+155+110=128×(600-591)=635×7-548=210×(105-100)=565+814-687=1/9+6/9=490+348×2=188+(403-249)=474-(122+43)=448-207-133=882+951=23×(895-890)=937-573+384=906-320-119=319×3-554=39+51×3=372-337=54×(122-118)=594×9=325+658+913=523×3-443=48×4=411-11×3=812-60=991×(930-921)=807-(793-127)=249+375+63=96×5-106=724-419+791=68+412-367=942+885=393-(361-41)=115×(372-366)=354-234=390×8-596=380+530=511+256=185×5-568=259+237=268×2=288-41-58=451-347-96=245×2=800-181+520=317-138=323×2=249×3-38=464-245=476-271=53×(303-295)=791+71+808=454+(80-61)=935-(89+542)=959-142+71=723+112×2=590-351-202=163×5-296=83×3-18=591-388+47=213-(44+136)=590+11-568=751-530-215=298×(115-107)=320-116+180=148+99=16+58=31×(403-400)=790+192×3=262+(923-370)=142×6-820=68×5+86=307-(581-572)=105×3+205=693-62×8=991-(434+375)=770-59+438=885-(81+771)=57+268×2=4/8+3/8=182+127=486-51×5=277+(74-25)=296-(100+167)=2/7+3/7=262+97+428=690×6-778=492-428+286=442×2-106=762-(366+156)=226+198=371-352+333=349+724-516=807+(618-224)=375×2=484-19-81=730-629=727-135-194=419-(495-487)=415-356+262=393-(400-236)=757+810+221=149×6-269=188-66+252=423-(75+130)=137×5-157=159×4=481-(359+39)=657+500-419=347+103=212×2+742=818-78×3=378-(353-197)=101×(59-52)=907-233=611+532=634+839=571+398=67+258-57=739+160=875×(625-622)=108+34×8=473-404+338=375×8=100×3-107=參考答案761-460-280=21273+72×7=777354-123-175=56428×3=1284264-31×3=171436-(482-231)=18556+363+103=522256-171=85223-10×8=143275-120=155143-131+306=318165×6-162=828196+266=462581+996-670=907475×2+938=188874×4+980=127684×8-325=347935×2=187099×7+151=844812+27-186=653316+55-263=108133×6=798363-(37+69)=257813-267=546258-94-114=50859-(160+252)=44777-(382-349)=44347×5-209=1526500-103=39791×7-123=51474+213-56=231443×(188-181)=3101865-(408+181)=276248+160=40844+223-188=79786×4-78=3066380×8-22=3018618-41-381=196462-69+124=517755+(753-627)=881470-224+107=353559-(286-105)=37892+304-219=177161×9-39=1410134+186=320466-98×3=172180+250=430338-47=29113+71×9=652640+771-267=1144483-259=224225+515=740251×(114-111)=753313+66=379453-100×3=153456-10×2=436209+28+285=522248×2-109=387609-124=48539×(67-59)=312432-(395+18)=19354-212+29=171581-221-175=185287+33-149=171570-(658-592)=504744-134+459=1069323-60=263417-(259-103)=261260+314=5743/6-2/6=1/6467+57×4=69571×9+90=729854-211=643101+391=49256+304=360138×5-512=178196×2=392261×2+364=88687+124×6=83176×2=152397-(261+59)=7763×8=504116+666+89=871408+(339-218)=529119+355+110=584908-63×6=530276×2-386=166276+(328-122)=482172-(476-323)=19718-344×2=301/5+3/5=4/5947-(638+134)=175518+979+356=1853461-(280-13)=194102×5+927=143734+712+74=820148+308=456160×(407-402)=800634×2=1268581-522=59869-141×2=587161-44+364=481123+276×2=675961-905-20=36362+715-841=236500×3-152=1348173+125+360=65876×(221-217)=304662×2-184=1140854-(328+497)=29261-58-139=64374-(14+356)=4906-614+625=917263×3=789264×(435-432)=7925/10-1/10=4/10216+708+918=1842990-(724-334)=600870×3-366=2244459-(341-188)=30644+(368-144)=268869-36×5=689459+847+478=1784701-(96+459)=146407+(346-40)=713515+(422-157)=780487-(145+131)=211205+269-58=416294-32×6=102278+17+35=330347-(36-17)=328740-617=123405+264=669660+351-345=666390-360+395=425757-174×2=409760-(224+205)=3312/6-1/6=1/6859-381-186=292735-29-505=201302×3+657=1563949-286×2=377164+(456-293)=327843-148=69583+309-153=239405+(774-242)=937263+44=307443-(733-727)=437178+147=32519×(296-290)=114801-176+297=922713-117-393=203971-270×3=161355-82×3=109922+320-47=1195102×9=918690×7=4830345×(624-621)=1035284+236=520705-648=57279+427-219=4874/8+2/8=6/8933×(84-76)=7464467+84×3=71987×2-78=96927×(564-556)=7416344-78×3=110430-117-86=227350-40-282=28397×(120-116)=1588476-14=462347+(305-16)=636196+(883-656)=423300×2+622=1222227-55+358=530870-759=111248+572+103=923480-15×6=390662+635+983=2280983+174-127=1030339+220=559212-41=171676-56×6=340140+57=197641×(366-357)=5769221-196=25620-29×8=388743-247-205=291423+36-167=292616-(329+224)=63157-41=11677×(113-109)=308778-378-149=251536-155×3=71897-(731-352)=518929-221+394=1102344+(431-162)=613282-(300-112)=94265-20-162=83123×4+644=1136294+168-389=7324+55×9=5191/8+3/8=4/8335+440+839=1614106-45+205=266164+120+126=410453+(581-566)=4683/4-1/4=2/4378-174×2=30857-(62+702)=9375×(230-225)=375215×8=1720355-69×5=10500-(123+188)=189111+151=2622/8-1/8=1/8238-(429-416)=225471-(353-247)=365145+(465-243)=367421-134-61=2261/7+5/7=6/796×4+380=76429×7+387=590417×2=834902+846+699=2447290-(298-53)=4572×9=648137+183-189=131745+16×5=825641-(694-293)=240997-274=723770-47×5=535198-18-131=49114×4=45698-(173-88)=13417-201+141=357224-(397-292)=119309×8=2472334-(183+47)=104427+47+252=726486+559-84=961229-49×4=33762-109×3=435410-76×2=258453+251=704632-247+424=809281-59×3=104153×(22-19)=459472-(415-91)=148540+275+857=1672371+99-231=239736-55×2=626758×3-721=1553998-27×2=944124+123=247487+(947-635)=799362+489+275=11264/8-3/8=1/8439+86=525157-(370-246)=33670-122-142=406126-94+408=440559×9-678=4353188+(455-441)=202723-41-62=62094+(391-44)=441803-15×6=713110+58+508=6764/7-2/7=2/7971-(468-127)=630353-(534-286)=105797×3=2391266×3-42=756351-(484-180)=47923-548+903=1278298-42=256192×2-29=355246×3-19=719968×7=6776122+360-380=102162+281-33=410231-26-163=42975+276×2=1527186×5-550=380799+28×7=995298+156+880=1334417-135=282433-(67+105)=261682×7-830=3944457-16×4=393208×3+266=890652-68×5=312573×(352-343)=5157333-78×4=21867-(132+199)=536291+(356-273)=374110+555=665147+17×6=249167+221=388810×6=4860662×4=2648142×5=710294+11-171=134257+301+258=816436×2-54=818201×2-218=18497-12×2=73424-(130+280)=14123×5+227=842400+463+24=887978×(507-504)=2934532-495+87=124163-124=39657-(686-406)=37733-13=20784-715=69207+473+84=764405+886=1291129×(236-232)=516161×(362-357)=805298-(396-249)=151199+(417-92)=52447×2+173=267667-116=551825-(398+394)=33429×4=1716415-44×7=107455×2-826=8449×(40-34)=294607+391×2=1389191-(282-95)=4911×4=3644596-484+436=548806+(943-165)=1584323+70=393240-(51+105)=84517-183=334325-230=95450-(390+49)=11458-(435-269)=292442-175=267285-50×2=185178-169+350=35920×7+372=512439+55×6=769146+(678-228)=596143+(523-85)=581905-(697+141)=67716-(162+89)=465811-217-51=543471-189-29=253484-13×5=41931×(130-123)=217410-83-85=242752×(276-269)=5264225-124+377=47819+642+155=816783×(88-85)=2349446-174-244=28349-260+295=384283+(253-224)=312231×3-529=164301-273+174=2021/8+4/8=5/8825-260=565483-381+389=491233-(408-209)=34384-(27+10)=347266-27+155=394166+149=315327+(161-131)=357230×4=920247×(262-259)=741361+134-485=10653×7-805=3766369×7=258399×5+312=807338+50×3=488153×2=306442-157×2=128200-93=107738-359-218=161967-207-363=397363+(372-64)=67136+554-321=269635-309=326974-(867-571)=678474-57×2=360137+(985-243)=879322-77-224=2193+118=21137×(393-390)=111476×2-742=21051+286=337395+89=484677×7=4739546×(720-715)=2730387-(382-197)=20266×(896-891)=330289×2+113=691846+211-602=45550+166-30=1862/4-1/4=1/4407+(272-223)=456977-(611+95)=271333×2-616=50334×(324-317)=2338115+(162-16)=261114+203-198=119141×6+109=955146+142-23=265654-70=584193-44×4=17811+330+61=120239×(112-103)=351485+(470-213)=742384-152+71=303786-410=376257-206-30=21587-332-38=217991×5=4955719-(171+230)=318894×7-875=5383382-187=195809+(224-210)=823642-(50+452)=140983-835-58=90289×7-114=1909413-162+69=320435+192=62742+115×3=387248-85+261=424527+846-445=928530-207×2=116318-13×4=266186+456+238=880647+341+685=1673107+57+443=607165+113=278322-(262-98)=158242-49=193481-219-14=248277-22-244=11996×2=19924/5-1/5=3/56/10-3/10=3/10473+(494-122)=845475-(156-15)=334272-82-130=60151+99+58=308492+(197-176)=513876+535-461=950116×(359-354)=580413+241+194=848275+87×8=97150×(435-430)=250401×2=802282×2-542=22501+305=806421+(410-222)=609699-216+920=1403438+11×5=493188+(694-656)=22658×(847-844)=174780+987-248=1519829-616+420=633367+95=462146+946-481=6115/7-1/7=4/7300-(308-15)=7597+794+696=2087201×(233-230)=603428×(245-241)=1712845+196=1041176+264-332=108651-(547-533)=637303-78-67=158230+93×3=509267+39-257=49484-(919-500)=65419-(103+200)=11633-(286-271)=18974-(193+97)=684239-(766-527)=02/10+6/10=8/10186×(189-186)=558133+(294-130)=297753-715+448=486438-119=319210+523+96=829350+(895-568)=67793×2+795=981353-75-64=21429×3=87678×2=1356821-734+84=171399-236+91=2544/6-1/6=3/6140+18×3=194513+530+506=1549122×4+418=906500-(145+159)=196374-(244-97)=227456-(866-810)=400208-58-16=134758×8=6064968+(722-83)=1607388-(413-111)=86410-340+117=18787×(623-614)=783877-(116+597)=164100×6=600465×3-196=1199650-398+303=555647-139-198=310445-251+44=238617×7-849=3470498-62-17=419880-774=106287×2=574725-15×5=650372-22+124=474732-37=69562×6=372445-59×5=15054+421-37=43824×9=216689×8=5512219-(599-543)=163264+37×8=560311+(462-211)=562387-80+83=390131+(377-10)=4982/6+3/6=5/614×(48-43)=70209+583=792478-297=181408-(41+20)=347121+280=401160×3+500=980853-27-89=737144+242+896=128229×9+771=1032211+164=375374-208-140=26486-(218+68)=200763×2=1526170×3+247=757438-346-13=7935+193+610=838318-28+201=49157×5=285907×5-553=398254+93=147141×(185-181)=564781+78+625=1484725-(824-492)=393383+93-433=43399-(401-72)=70160-151+21=30135+550+259=944234×6=14042/7+4/7=6/7524+692-728=48884-38=46360+(911-433)=838970+993-491=1472653+274×2=1201136+142-102=176815×4-976=2284927-49=878297-278=19319-271+720=768952-(645+95)=212616×5-763=231740×5=20098+134-124=108102×(478-473)=510987-619-339=29457-457+594=594487+(528-191)=824456-13×9=339598+(652-312)=938895-222×4=7290-17×7=171454-53×7=83414-(79-69)=404704+108+218=103055×2-78=32931+(769-466)=1234499-63-359=7742+259-155=146649-607+98=140495+(453-440)=508920-860+917=977568+27+284=879495+677-392=78057×3=171911-(670+170)=71492×2-934=50575+462-278=759492-(21-15)=486607-214-93=300271-30=241208-151=57204+127=33177×9=693783-568+289=504116+(386-286)=216419+706+465=1590443-41-217=185345×2=690646-316=330329×9-420=2541842-696=146114×4-24=43282-30+290=342635+(867-387)=1115390-(267+42)=81199-(23+27)=149201×(484-480)=80411×8+199=287461-(93+246)=122358-43×4=186216-(495-470)=191237+(439-269)=407824+(677-91)=1410413-104×2=205455-(266+180)=9195×5=975167+967-16=1118957+219+860=2036462-(22+227)=213317+49-133=233180+65=245456-84-215=157150+116=266360-76=284191-65=126652-28×6=484137×3+226=637285-116×2=53104+326+518=948457-188=269466-364+248=350190×4-748=12828-(471+214)=143149+350-434=65474-395-67=1255×(258-253)=27588×(426-419)=616783+(970-270)=1483802+836+883=2521480-20-451=951×7=357793+50+196=1039182-(646-575)=111144+478-234=388391+529+431=1351497-359=138879+31+32=942512+(602-257)=857810-197×2=416871-258-301=312406+86×3=664429+(483-255)=657764×(968-962)=4584320-(123+193)=4834+402-805=431173×4=692467-(266-259)=460421×(847-842)=2105115+(207-144)=178310+859-796=373953-121×6=227208+25×3=28341+54=95179+45-147=77293-82+752=963186-98+348=436588×8-297=4407361-(252-116)=22598+46-101=43699+550+468=1717192+293=4851/3+2/3=1105+351-370=86368+396+256=1020679×7=4753288-(47+236)=5276-(140+72)=64275×(290-287)=825435-(30+266)=139173×5-359=506149×5=745425-28×8=201387×(307-304)=116198×(37-30)=686767-(635-72)=204259+93=352244×4=976143×5+682=1397248+217+237=702871-(421-331)=781933+(216-93)=1056461+431+843=1735902×9-202=7916331+490+59=880499+(559-451)=607415×4-393=1267