三年级数学计算题专项练习及答案

三年级数学计算题专项练习及答案81+399=759+805=84+189=378+321=57+23=275+190=200+44=494+944=102+397=257+353=225+77=149+144=291+74=669+623=27+18=166+123=88+43=52+17=257+165=788+462=94+316=404+325=136+319=733+746=337+160=401+172=140+160=527+122=165+275=768+549=145+297=75+423=171+71=204+517=61+275=254+500=370+122=692+388=262+172=205+415=334-133=924-143=40-22=972-657=484-120=773-722=42-16=520-200=481-455=767-48=236-122=939-383=232-10=547-395=478-242=708-507=388-193=412-67=226-109=282-57=493-211=535-45=312-262=968-160=493-366=923-632=274-244=688-637=84-54=969-908=365-251=397-336=468-297=616-382=450-160=967-380=289-63=952-557=497-344=273-38=61×9=909×6=86×3=784×7=113×4=316×6=132×4=852×6=45×5=843×2=149×3=542×9=388×2=276×4=171×4=638×6=476×2=28×8=426×2=288×6=174×4=790×2=438×2=400×4=51×9=102×5=115×4=133×5=41×4=957×2=87×3=337×7=396×2=470×5=158×4=78×9=24×3=466×4=197×4=284×9=21÷7=410÷5=365÷5=528÷6=327÷3=536÷4=390÷5=865÷5=134÷2=594÷6=228÷4=534÷6=190÷2=492÷2=376÷4=46÷2=58÷2=936÷8=96÷4=948÷3=81÷3=366÷3=150÷5=514÷2=164÷4=385÷7=204÷4=120÷8=258÷6=525÷7=264÷3=554÷2=238÷2=646÷2=318÷2=534÷2=226÷2=639÷9=30÷5=24÷3=17×13=59×22=33×29=53×50=48×19=81×65=13×67=70×55=78×12=22×71=19×27=53×91=37×22=58×85=14×30=33×80=17×32=49×95=32×11=93×98=39×24=42×46=23×43=43×54=67×11=89×70=51×19=54×98=75×13=19×66=26×11=36×23=27×20=76×43=21×26=30×37=17×51=77×20=11×58=26×82=291+97+527=533+436+326=80+27+891=443+35+37=50+485+365=32+316+332=38+842+100=86+291+348=162+459+50=826+161+670=130+329+470=696+970+732=237+12+525=244+690+870=211+415+39=833+690+43=190+613+77=419+504+152=220+470+215=779+19+173=133+165+501=323+692+90=163+28+244=673+375+102=485+400+103=547+32+411=134+435+318=842+750+843=36+131+833=217+367+748=183+30+312=440+213+758=177+69+227=338+46+199=173+16+19=865+349+51=84+754+54=419+46+816=229+136+573=749+866+749=90+277-332=802+624-774=418+18-151=678+249-269=242+147-124=103+287-328=148+11-65=382+801-530=41+58-66=416+804-601=195+168-324=72+730-60=210+62-233=697+534-528=193+268-293=272+111-25=115+329-343=824+215-613=65+352-381=802+763-23=251+118-272=771+372-393=61+346-393=912+418-84=313+43-326=922+823-963=146+327-435=356+319-644=312+127-241=391+284-436=14+336-333=217+720-936=192+299-402=952+883-644=152+347-129=770+892-887=24+410-293=559+787-133=82+369-314=16+717-675=427-25-261=834-153-295=500-21-84=789-159-482=267-14-191=657-25-111=238-61-153=816-44-477=365-68-62=945-41-527=492-191-103=814-656-25=318-153-11=868-746-47=399-31-54=329-190-14=287-14-196=707-264-309=342-19-319=762-556-106=453-30-322=824-148-271=361-141-97=762-49-542=268-45-33=679-313-57=433-331-42=272-209-48=271-29-182=806-507-39=396-41-202=757-307-235=334-62-182=997-132-513=478-112-224=358-181-96=416-64-158=978-665-46=423-263-28=764-239-99=381-206+288=516-76+714=119-98+14=932-193+82=187-158+17=731-175+893=399-262+66=193-157+290=135-31+351=868-514+842=367-359+24=537-450+608=400-268+57=672-593+58=290-284+228=898-114+344=227-45+223=584-464+336=278-277+358=368-203+880=323-177+137=322-45+566=195-158+264=513-410+99=245-202+423=590-349+625=70-41+232=733-349+869=432-361+422=461-135+249=341-208+292=736-563+81=235-212+28=533-321+670=110-35+286=746-736+401=385-376+167=590-348+598=135-130+494=224-80+41=21×20×2=42×47×3=23×15×2=64×28×4=17×11×5=65×76×3=11×11×7=76×62×9=10×14×5=92×61×6=11×12×7=12×69×4=21×10×2=84×58×7=12×14×4=56×59×4=10×16×2=86×52×6=11×18×3=25×26×2=18×19×2=56×41×7=11×39×2=77×59×8=12×14×2=14×50×9=16×26×2=39×28×3=13×20×3=22×76×4=14×16×4=31×81×2=13×24×3=44×25×7=17×25×2=63×83×5=11×16×3=93×91×4=13×38×2=75×45×9=10×9×6=82×4×7=17×4×9=92×3×4=12×7×3=486×2×7=47×3×2=44×6×8=25×8×4=121×5×6=34×8×3=40×8×9=22×5×8=45×9×2=50×2×5=227×2×7=15×7×5=319×3×9=65×5×3=109×7×5=29×5×3=98×3×9=52×6×2=205×3×4=41×6×3=163×5×3=16×7×5=214×2×7=64×2×7=386×2×8=79×3×2=200×2×8=89×4×2=37×4×2=29×4×7=155×3×2=23×2×3=54×9×6=62×2×3=96×5×2=12×4×28=48×2×49=20×4×59=25×3×62=40×2×97=12×7×25=20×2×81=24×3×50=13×3×66=24×3×46=21×4×18=33×3×77=16×6×51=47×2×16=32×3×28=20×4×32=13×5×78=21×4×29=12×7×23=30×3×54=46×2×81=34×2×62=11×8×70=12×2×12=12×2×52=18×3×24=24×4×81=23×3×49=13×3×43=34×2×91=11×6×96=12×7×30=10×3×49=20×4×84=10×2×51=25×2×14=22×3×57=13×5×37=14×6×95=14×3×16=20×29÷5=38×42÷4=12×68÷2=34×80÷8=20×20÷8=98×72÷6=21×10÷3=56×24÷8=16×20÷2=58×31÷2=11×84÷3=70×59÷5=34×12÷2=92×95÷4=53×10÷2=96×84÷9=24×39÷8=55×60÷2=11×90÷2=22×84÷7=13×24÷3=21×91÷7=10×15÷2=93×78÷9=10×75÷6=34×92÷2=55×16÷8=55×72÷9=90×11÷3=18×38÷2=41×20÷4=54×35÷6=36×18÷3=61×36÷3=18×31÷6=79×51÷3=12×46÷6=10×72÷8=16×48÷2=72×66÷3=82×9÷3=736×6÷4=80×9÷4=991×6÷3=65×2÷5=764×6÷4=39×2÷6=322×5÷2=471×2÷6=644×3÷6=22×6÷4=349×4÷2=131×4÷2=984×9÷3=160×5÷8=260×8÷4=40×9÷2=78×7÷2=147×2÷6=457×4÷2=142×7÷2=888×7÷2=291×3÷9=96×4÷3=95×8÷5=700×6÷4=108×9÷6=567×2÷3=399×2÷6=646×9÷6=75×7÷3=490×2÷5=202×3÷2=190×3÷5=138×6÷3=602×2÷7=185×3÷5=962×2÷4=80×8÷4=411×6÷3=160÷4÷5=990÷6÷3=896÷4÷7=252÷2÷6=72÷4÷6=812÷2÷2=336÷2÷4=828÷6÷6=604÷2÷2=432÷6÷6=180÷5÷4=819÷7÷3=444÷2÷6=738÷3÷3=840÷6÷2=588÷3÷2=596÷2÷2=324÷3÷9=570÷3÷5=396÷9÷4=504÷6÷2=416÷8÷2=594÷3÷2=624÷3÷2=750÷5÷2=440÷5÷8=144÷2÷3=270÷9÷5=480÷2÷8=60÷4÷3=216÷9÷4=576÷3÷2=608÷8÷4=720÷9÷2=320÷2÷8=198÷9÷2=510÷3÷5=192÷4÷6=810÷3÷5=160÷8÷5=138÷2×7=472÷4×2=988÷2×3=522÷2×9=440÷8×6=664÷4×8=225÷5×7=603÷9×4=568÷8×6=36÷9×6=685÷5×4=904÷4×9=795÷3×2=955÷5×2=126÷7×6=680÷2×3=112÷8×9=870÷2×4=915÷3×6=280÷7×4=791÷7×8=987÷7×6=48÷3×4=818÷2×4=908÷4×7=81÷3×6=24÷6×5=936÷6×2=530÷5×6=357÷3×9=174÷3×2=636÷6×9=918÷2×5=104÷2×5=714÷6×4=102÷3×7=912÷8×7=623÷7×9=176÷4×2=420÷4×9=20÷2×62=644÷7×45=84÷3×19=378÷9×84=45÷5×42=96÷8×10=55÷5×35=693÷7×61=72÷9×44=276÷6×53=196÷7×14=485÷5×23=102÷6×55=270÷9×72=90÷6×23=270÷5×15=35÷5×25=539÷7×19=90÷9×66=486÷6×94=152÷8×25=177÷3×83=100÷5×48=332÷4×24=108÷4×23=408÷6×62=49÷7×77=192÷4×77=84÷4×29=144÷3×30=32÷8×87=248÷4×19=65÷5×40=712÷8×60=252÷9×15=96÷8×25=40÷8×49=126÷7×29=84÷4×14=140÷5×39=62+(137-118)=581+(912-744)=428+(218-33)=218+(370-144)=71+(497-483)=912+(286-277)=213+(255-97)=966+(767-658)=212+(234-18)=796+(680-443)=406+(437-190)=566+(599-36)=295+(178-83)=298+(750-445)=50+(408-292)=51+(975-111)=176+(146-88)=447+(747-226)=109+(235-228)=262+(254-252)=171+(492-339)=915+(385-315)=353+(409-24)=367+(552-33)=442+(449-28)=617+(207-36)=406+(421-84)=914+(876-361)=40+(395-169)=552+(772-487)=266+(232-14)=938+(531-246)=190+(482-72)=306+(903-538)=25+(463-352)=95+(686-39)=157+(400-80)=60+(981-493)=296+(487-363)=877+(433-420)=474-(204+268)=947-(679+85)=426-(42+369)=966-(620+276)=390-(290+75)=917-(89+97)=472-(56+382)=809-(283+181)=318-(130+131)=889-(23+815)=343-(149+121)=602-(354+29)=483-(217+145)=968-(246+235)=381-(62+291)=887-(397+305)=318-(149+109)=794-(426+149)=277-(150+88)=987-(556+60)=475-(27+85)=784-(462+179)=459-(129+57)=658-(56+203)=205-(112+29)=458-(225+10)=293-(80+188)=958-(297+448)=455-(118+254)=772-(35+336)=87-(61+20)=831-(441+370)=310-(165+25)=797-(99+589)=454-(140+203)=972-(830+22)=247-(151+62)=744-(178+202)=467-(104+204)=870-(322+428)=499-(425-281)=240-(583-418)=203-(281-87)=386-(858-625)=372-(345-271)=892-(292-45)=473-(261-63)=958-(278-103)=258-(267-203)=865-(629-95)=226-(344-314)=593-(692-562)=292-(426-335)=948-(763-652)=325-(385-276)=315-(588-449)=256-(394-344)=271-(838-788)=313-(426-358)=732-(980-425)=494-(86-78)=224-(628-449)=495-(351-248)=849-(728-431)=396-(356-187)=699-(968-312)=472-(419-85)=603-(610-602)=383-(418-300)=733-(626-560)=377-(409-338)=484-(620-333)=103-(163-147)=846-(510-503)=327-(27-20)=838-(947-694)=450-(386-365)=901-(605-480)=293-(347-288)=68-(400-350)=308÷(35÷5)=872÷(16÷8)=348÷(12÷4)=335÷(40÷8)=144÷(36÷6)=818÷(14÷7)=408÷(28÷7)=282÷(15÷5)=40÷(10÷5)=840÷(72÷9)=376÷(40÷5)=702÷(30÷5)=329÷(49÷7)=476÷(32÷8)=246÷(36÷6)=992÷(16÷4)=472÷(64÷8)=891÷(63÷7)=366÷(12÷4)=282÷(27÷9)=48÷(27÷9)=750÷(24÷4)=51÷(18÷6)=161÷(49÷7)=412÷(28÷7)=332÷(16÷4)=330÷(45÷9)=485÷(35÷7)=116÷(16÷4)=294÷(18÷6)=185÷(25÷5)=332÷(12÷3)=108÷(54÷9)=952÷(28÷4)=26÷(10÷5)=432÷(42÷7)=458÷(16÷8)=812÷(28÷7)=396÷(28÷7)=750÷(30÷5)=644÷(2×2)=186÷(2×3)=776÷(2×2)=896÷(2×2)=220÷(2×2)=944÷(2×4)=980÷(2×2)=732÷(2×2)=248÷(2×2)=920÷(2×4)=40÷(2×2)=330÷(2×3)=700÷(2×2)=855÷(3×3)=414÷(2×3)=684÷(2×3)=856÷(4×2)=40÷(2×4)=432÷(2×2)=876÷(2×3)=856÷(2×2)=756÷(2×3)=168÷(2×3)=72÷(2×2)=81÷(3×3)=192÷(2×4)=728÷(2×2)=152÷(2×4)=780÷(2×2)=828÷(3×2)=128÷(2×2)=858÷(2×3)=136÷(2×4)=544÷(2×2)=948÷(3×2)=996÷(2×2)=432÷(2×4)=716÷(2×2)=906÷(3×2)=972÷(2×2)=19×(56÷7)=367×(24÷8)=42×(56÷7)=596×(10÷2)=198×(24÷8)=682×(36÷4)=12×(36÷9)=168×(72÷8)=226×(32÷8)=688×(32÷8)=87×(27÷9)=848×(24÷6)=86×(42÷6)=203×(12÷4)=438×(16÷8)=266×(12÷6)=137×(36÷6)=926×(18÷3)=54×(16÷2)=477×(16÷4)=70×(40÷5)=668×(27÷3)=73×(20÷5)=548×(18÷2)=216×(18÷6)=305×(36÷4)=475×(12÷6)=676×(36÷4)=388×(16÷8)=839×(12÷4)=348×(18÷9)=81×(42÷7)=110×(32÷4)=529×(81÷9)=146×(14÷7)=822×(18÷3)=280×(12÷4)=635×(35÷5)=469×(18÷9)=630×(63÷9)=64×(91÷7)=71×(264÷6)=16×(145÷5)=16×(52÷2)=41×(120÷8)=92×(285÷5)=17×(424÷8)=17×(602÷7)=61×(40÷4)=19×(308÷7)=19×(441÷9)=54×(249÷3)=69×(40÷4)=42×(158÷2)=13×(210÷7)=98×(114÷6)=21×(145÷5)=78×(711÷9)=13×(184÷4)=69×(621÷9)=24×(80÷5)=37×(540÷9)=43×(120÷8)=62×(570÷6)=30×(216÷9)=54×(477÷9)=17×(138÷3)=16×(456÷8)=31×(72÷4)=80×(128÷4)=12×(123÷3)=90×(68÷4)=17×(312÷6)=42×(189÷7)=10×(78÷2)=12×(292÷4)=25×(270÷9)=53×(128÷8)=18×(28÷2)=58×(388÷4)=211+230×3=466+74×6=190+70×9=932+63×8=284+70×6=23+417×2=124+230×2=839+12×2=175+350×2=654+316×2=460+74×4=51+136×4=418+72×7=564+11×5=23+53×6=917+48×8=464+125×2=96+134×2=73+153×3=226+152×4=70+284×2=10+138×2=216+206×2=242+26×8=183+144×5=293+445×2=234+47×6=124+104×9=287+206×3=12+115×4=243×2+307=104×8+209=226×2+145=232×4+109=190×3+66=500×2+207=40×3+60=145×3+57=372×2+42=318×3+320=241+14×31=187+13×12=125+12×69=575+10×35=203+64×10=939+34×27=187+28×22=348+59×15=200+34×19=88+15×30=441+38×11=371+19×38=20+44×14=728+17×49=130+22×16=180+33×10=77+23×34=133+26×23=161+13×57=956+12×79=400+46×11=252+12×77=286+20×12=766+21×33=154+10×66=796+19×34=214+45×14=238+12×65=329+25×20=577+68×14=43×10+376=18×11+582=29×20+341=18×14+729=69×11+213=15×16+955=34×11+268=19×45+329=14×48+232=22×23+332=482-31×12=832-16×28=496-44×11=673-37×14=482-22×14=717-14×13=425-14×10=781-15×41=422-17×24=885-16×25=463-30×10=835-33×20=296-29×10=654-32×13=439-11×37=816-20×29=431-15×12=962-55×16=435-11×36=999-19×41=240-15×12=927-24×11=344-20×10=377-17×18=492-10×11=434-14×10=450-21×20=984-20×15=261-10×11=702-10×55=135-10×11=715-39×11=246-13×13=472-16×16=450-28×13=704-14×18=496-20×24=458-23×10=462-10×27=872-17×40=449-34×3=728-109×6=174-17×9=451-24×5=474-73×6=806-253×3=380-102×2=442-25×3=372-101×3=899-106×3=175-18×8=982-66×3=471-114×4=820-90×8=438-80×3=872-297×2=496-115×3=914-141×2=405-29×5=911-232×2=345-170×2=552-18×7=354-45×6=804-84×7=177-37×4=847-137×5=242-118×2=981-24×8=391-51×4=702-20×6=497-162×3=932-265×2=416-40×2=755-137×4=346-85×3=289-49×4=397-21×7=890-93×9=191-30×6=235-19×9=12×36-166=12×45-347=11×42-406=63×14-108=23×20-401=11×62-15=17×12-202=12×64-379=29×17-308=37×27-10=27×13-86=13×45-252=21×19-62=30×23-630=26×14-22=12×67-375=14×19-216=15×54-33=20×18-149=10×53-422=15×27-56=10×94-115=12×25-96=73×12-469=27×18-372=11×38-230=44×10-398=11×42-300=30×14-15=48×15-249=47×10-16=28×20-523=21×19-64=56×10-305=10×36-30=13×57-703=13×35-438=35×26-801=27×14-351=41×12-328=127×7-774=868×7-300=393×2-144=347×9-617=435×2-864=757×9-934=82×7-289=266×4-606=324×2-565=303×3-690=403×2-420=631×8-273=85×7-130=172×5-509=451×2-113=40×7-59=234×2-159=622×4-280=97×2-25=373×5-996=369×2-441=119×7-490=323×2-119=676×3-850=74×9-218=217×4-123=247×2-48=329×9-451=181×5-322=725×4-508=88×8-226=703×9-570=115×8-807=432×7-884=104×8-73=615×3-188=108×4-423=82×5-395=104×5-133=750×5-537=385+810÷2=61+38÷2=486+940÷2=325+124÷2=157+56÷8=515+150÷3=354+285÷5=993+530÷5=429+868÷7=276+936÷4=102+896÷8=96+574÷7=376+116÷4=499+492÷3=294+875÷5=504+320÷8=392+450÷2=171+454÷2=105+148÷2=112+260÷5=746÷2+385=976÷4+57=296÷8+456=763÷7+394=478÷2+142=984÷4+549=894÷2+300=104÷2+211=156÷4+424=78÷6+74=882÷7+262=744÷8+334=916÷2+496=897÷3+903=410÷5+12=480÷2+789=348÷4+230=162÷2+443=474÷2+371=122÷2+843=276-600÷6=635-568÷4=418-597÷3=747-654÷6=251-848÷8=676-212÷4=205-518÷7=308-144÷8=401-864÷6=418-175÷5=209-194÷2=615-676÷4=212-959÷7=256-63÷7=251-459÷9=422-480÷2=130-141÷3=871-24÷8=286-508÷4=987-990÷5=183-448÷4=471-108÷6=482-860÷2=908-931÷7=279-222÷2=290-224÷7=22-80÷4=684-640÷2=168-630÷9=107-132÷6=165-363÷3=561-392÷8=195-18÷6=411-96÷3=148-126÷2=177-154÷7=154-234÷3=747-148÷4=439-678÷2=521-26÷2=50×(136-116)=94×(458-439)=14×(268-237)=32×(902-820)=13×(260-234)=43×(560-483)=69×(449-438)=33×(846-811)=17×(235-188)=62×(442-388)=26×(305-285)=56×(137-114)=21×(331-296)=26×(424-349)=24×(387-376)=86×(508-427)=20×(157-112)=56×(237-186)=25×(182-165)=17×(805-707)=(447-434)×26=(633-614)×74=(222-210)×49=(771-726)×32=(446-404)×13=(297-242)×37=(306-283)×21=(138-106)×63=(320-305)×61=(187-100)×56=(58-46)×74=(413-322)×14=(321-309)×51=(339-254)×73=(322-311)×88=(580-488)×21=(114-57)×15=(889-796)×21=(459-390)×14=(488-420)×92=75×(41-35)=371×(372-366)=203×(243-240)=824×(601-593)=181×(54-49)=19×(462-456)=134×(448-441)=774×(814-805)=163×(143-138)=553×(921-918)=105×(35-30)=869×(840-834)=106×(192-188)=614×(312-305)=12×(358-355)=398×(71-65)=210×(135-132)=447×(287-283)=93×(340-331)=225×(282-276)=134×(305-299)=156×(833-824)=82×(141-134)=220×(391-384)=215×(389-386)=118×(531-528)=121×(82-74)=954×(728-722)=160×(327-323)=593×(923-918)=46×(59-55)=987×(246-243)=145×(280-274)=822×(574-567)=101×(262-254)=883×(148-145)=173×(100-96)=687×(25-16)=29×(402-397)=424×(918-911)=69÷(36-33)=144÷(711-707)=45÷(145-140)=68÷(864-860)=426÷(296-293)=502÷(249-247)=22÷(397-395)=514÷(600-598)=126÷(237-234)=95÷(543-538)=243÷(195-186)=411÷(114-111)=248÷(279-271)=935÷(71-66)=430÷(119-117)=116÷(588-586)=184÷(49-47)=18÷(135-133)=216÷(19-15)=192÷(554-546)=224÷(392-388)=696÷(960-958)=18÷(253-247)=620÷(598-596)=320÷(437-432)=294÷(874-871)=408÷(246-240)=640÷(291-283)=66÷(179-177)=804÷(322-319)=90÷(318-309)=412÷(357-355)=272÷(121-113)=750÷(58-52)=154÷(358-356)=952÷(49-47)=217÷(267-260)=580÷(57-53)=214÷(355-353)=640÷(27-22)=(334-196)÷3=(819-177)÷6=(386-224)÷2=(839-269)÷2=(391-195)÷7=(989-213)÷4=(214-52)÷2=(947-44)÷7=(178-86)÷4=(409-11)÷2=(418-398)÷2=(735-303)÷2=(470-198)÷4=(929-905)÷8=(391-340)÷3=(761-239)÷6=(224-184)÷5=(868-378)÷2=(366-331)÷5=(770-500)÷2=(474-387)÷3=(272-179)÷3=(325-190)÷5=(983-182)÷3=(469-169)÷2=(764-256)÷2=(428-149)÷3=(729-558)÷3=(462-204)÷3=(778-430)÷2=(486-80)÷2=(883-287)÷2=(282-100)÷7=(763-605)÷2=(243-43)÷5=(987-187)÷2=(136-58)÷3=(961-631)÷6=(387-192)÷3=(776-677)÷3=1/7+3/7=2/8+6/8=3/8+2/8=1/10+2/10=4/8+3/8=3/8+5/8=1/6+4/6=6/10+3/10=3/7+2/7=5/9+4/9=2/8+3/8=5/8+3/8=3/6-2/6=3/5-2/5=2/6-1/6=3/5-1/5=2/4-1/4=2/8-1/8=5/8-2/8=2/5-1/5=4/8-2/8=4/8-3/8=4/6-1/6=5/9-4/9=0.5+2.7=12.5+65.4=4.9+3.3=8.8+5.3=7.3+7.5=73.7+18.5=8.3+8.1=3.5+60.1=1.3+2.8=4.5+4.4=9.2+9.2=14.9+13.8=5.3+1.6=31.5+19.7=2.2+9.6=3.0+3.6=8.1+4.5=17.3+60.5=9.1+4.5=1.6+87.4=8.4+2.5=0.8+6.2=1.6+5.6=23.6+9.5=2.1+8.0=37.4+37.6=2.4+3.5=4.4+3.7=8.5+3.3=60.8+6.3=6.8+3.8=72.8+13.6=0.2+8.5=7.5+7.8=0.7+4.0=47.0+16.7=2.7+8.1=45.3+54.7=8.8+6.5=0.5+6.9=2.5-0.5=72.8-0.3=6.8-2.6=4.0-3.9=9.6-5.9=31.3-14.2=7.6-0.6=76.9-25.5=5.0-1.8=4.5-3.0=8.6-7.7=82.1-79.9=7.0-6.8=94.8-16.5=6.7-3.7=1.5-1.0=6.6-6.4=17.0-1.1=2.7-2.5=82.9-41.6=9.5-4.6=2.3-0.7=9.4-7.7=79.8-51.2=5.8-5.6=79.0-9.6=5.6-0.5=9.5-6.2=4.9-2.0=74.1-16.1=6.6-3.7=94.5-70.6=9.9-5.4=5.8-2.0=6.5-4.4=93.7-34.7=8.4-3.0=64.7-41.2=2.0-1.1=7.3-4.1=参考答案81+399=480759+805=156484+189=273378+321=69957+23=80275+190=465200+44=244494+944=1438102+397=499257+353=610225+77=302149+144=293291+74=365669+623=129227+18=45166+123=28988+43=13152+17=69257+165=422788+462=125094+316=410404+325=729136+319=455733+746=1479337+160=497401+172=573140+160=300527+122=649165+275=440768+549=1317145+297=44275+423=498171+71=242204+517=72161+275=336254+500=754370+122=492692+388=1080262+172=434205+415=620334-133=201924-143=78140-22=18972-657=315484-120=364773-722=5142-16=26520-200=320481-455=26767-48=719236-122=114939-383=556232-10=222547-395=152478-242=236708-507=201388-193=195412-67=345226-109=117282-57=225493-211=282535-45=490312-262=50968-160=808493-366=127923-632=291274-244=30688-637=5184-54=30969-908=61365-251=114397-336=61468-297=171616-382=234450-160=290967-380=587289-63=226952-557=395497-344=153273-38=23561×9=549909×6=545486×3=258784×7=5488113×4=452316×6=1896132×4=528852×6=511245×5=225843×2=1686149×3=447542×9=4878388×2=776276×4=1104171×4=684638×6=3828476×2=95228×8=224426×2=852288×6=1728174×4=696790×2=1580438×2=876400×4=160051×9=459102×5=510115×4=460133×5=66541×4=164957×2=191487×3=261337×7=2359396×2=792470×5=2350158×4=63278×9=70224×3=72466×4=1864197×4=788284×9=255621÷7=3410÷5=82365÷5=73528÷6=88327÷3=109536÷4=134390÷5=78865÷5=173134÷2=67594÷6=99228÷4=57534÷6=89190÷2=95492÷2=246376÷4=9446÷2=2358÷2=29936÷8=11796÷4=24948÷3=31681÷3=27366÷3=122150÷5=30514÷2=257164÷4=41385÷7=55204÷4=51120÷8=15258÷6=43525÷7=75264÷3=88554÷2=277238÷2=119646÷2=323318÷2=159534÷2=267226÷2=113639÷9=7130÷5=624÷3=817×13=22159×22=129833×29=95753×50=265048×19=91281×65=526513×67=87170×55=385078×12=93622×71=156219×27=51353×91=482337×22=81458×85=493014×30=42033×80=264017×32=54449×95=465532×11=35293×98=911439×24=93642×46=193223×43=98943×54=232267×11=73789×70=623051×19=96954×98=529275×13=97519×66=125426×11=28636×23=82827×20=54076×43=326821×26=54630×37=111017×51=86777×20=154011×58=63826×82=2132291+97+527=915533+436+326=129580+27+891=998443+35+37=51550+485+365=90032+316+332=68038+842+100=98086+291+348=725162+459+50=671826+161+670=1657130+329+470=929696+970+732=2398237+12+525=774244+690+870=1804211+415+39=665833+690+43=1566190+613+77=880419+504+152=1075220+470+215=905779+19+173=971133+165+501=799323+692+90=1105163+28+244=435673+375+102=1150485+400+103=988547+32+411=990134+435+318=887842+750+843=243536+131+833=1000217+367+748=1332183+30+312=525440+213+758=1411177+69+227=473338+46+199=583173+16+19=208865+349+51=126584+754+54=892419+46+816=1281229+136+573=938749+866+749=236490+277-332=35802+624-774=652418+18-151=285678+249-269=658242+147-124=265103+287-328=62148+11-65=94382+801-530=65341+58-66=33416+804-601=619195+168-324=3972+730-60=742210+62-233=39697+534-528=703193+268-293=168272+111-25=358115+329-343=101824+215-613=42665+352-381=36802+763-23=1542251+118-272=97771+372-393=75061+346-393=14912+418-84=1246313+43-326=30922+823-963=782146+327-435=38356+319-644=31312+127-241=198391+284-436=23914+336-333=17217+720-936=1192+299-402=89952+883-644=1191152+347-129=370770+892-887=77524+410-293=141559+787-133=121382+369-314=13716+717-675=58427-25-261=141834-153-295=386500-21-84=395789-159-482=148267-14-191=62657-25-111=521238-61-153=24816-44-477=295365-68-62=235945-41-527=377492-191-103=198814-656-25=133318-153-11=154868-746-47=75399-31-54=314329-190-14=125287-14-196=77707-264-309=134342-19-319=4762-556-106=100453-30-322=101824-148-271=405361-141-97=123762-49-542=171268-45-33=190679-313-57=309433-331-42=60272-209-48=15271-29-182=60806-507-39=260396-41-202=153757-307-235=215334-62-182=90997-132-513=352478-112-224=142358-181-96=81416-64-158=194978-665-46=267423-263-28=132764-239-99=426381-206+288=463516-76+714=1154119-98+14=35932-193+82=821187-158+17=46731-175+893=1449399-262+66=203193-157+290=326135-31+351=455868-514+842=1196367-359+24=32537-450+608=695400-268+57=189672-593+58=137290-284+228=234898-114+344=1128227-45+223=405584-464+336=456278-277+358=359368-203+880=1045323-177+137=283322-45+566=843195-158+264=301513-410+99=202245-202+423=466590-349+625=86670-41+232=261733-349+869=1253432-361+422=493461-135+249=575341-208+292=425736-563+81=254235-212+28=51533-321+670=882110-35+286=361746-736+401=411385-376+167=176590-348+598=840135-130+494=499224-80+41=18521×20×2=84042×47×3=592223×15×2=69064×28×4=716817×11×5=93565×76×3=1482011×11×7=84776×62×9=4240810×14×5=70092×61×6=3367211×12×7=92412×69×4=331221×10×2=42084×58×7=3410412×14×4=67256×59×4=1321610×16×2=32086×52×6=2683211×18×3=59425×26×2=130018×19×2=68456×41×7=1607211×39×2=85877×59×8=3634412×14×2=33614×50×9=630016×26×2=83239×28×3=327613×20×3=78022×76×4=668814×16×4=89631×81×2=502213×24×3=93644×25×7=770017×25×2=85063×83×5=2614511×16×3=52893×91×4=3385213×38×2=98875×45×9=3037510×9×6=54082×4×7=229617×4×9=61292×3×4=110412×7×3=252486×2×7=680447×3×2=28244×6×8=211225×8×4=800121×5×6=363034×8×3=81640×8×9=288022×5×8=88045×9×2=81050×2×5=500227×2×7=317815×7×5=525319×3×9=861365×5×3=975109×7×5=381529×5×3=43598×3×9=264652×6×2=624205×3×4=246041×6×3=738163×5×3=244516×7×5=560214×2×7=299664×2×7=896386×2×8=617679×3×2=474200×2×8=320089×4×2=71237×4×2=29629×4×7=812155×3×2=93023×2×3=13854×9×6=291662×2×3=37296×5×2=96012×4×28=134448×2×49=470420×4×59=472025×3×62=465040×2×97=776012×7×25=210020×2×81=324024×3×50=360013×3×66=257424×3×46=331221×4×18=151233×3×77=762316×6×51=489647×2×16=150432×3×28=268820×4×32=256013×5×78=507021×4×29=243612×7×23=193230×3×54=486046×2×81=745234×2×62=421611×8×70=616012×2×12=28812×2×52=124818×3×24=129624×4×81=777623×3×49=338113×3×43=167734×2×91=618811×6×96=633612×7×30=252010×3×49=147020×4×84=672010×2×51=102025×2×14=70022×3×57=376213×5×37=240514×6×95=798014×3×16=67220×29÷5=11638×42÷4=39912×68÷2=40834×80÷8=34020×20÷8=5098×72÷6=117621×10÷3=7056×24÷8=16816×20÷2=16058×31÷2=89911×84÷3=30870×59÷5=82634×12÷2=20492×95÷4=218553×10÷2=26596×84÷9=89624×39÷8=11755×60÷2=165011×90÷2=49522×84÷7=26413×24÷3=10421×91÷7=27310×15÷2=7593×78÷9=80610×75÷6=12534×92÷2=156455×16÷8=11055×72÷9=44090×11÷3=33018×38÷2=34241×20÷4=20554×35÷6=31536×18÷3=21661×36÷3=73218×31÷6=9379×51÷3=134312×46÷6=9210×72÷8=9016×48÷2=38472×66÷3=158482×9÷3=246736×6÷4=110480×9÷4=180991×6÷3=198265×2÷5=26764×6÷4=114639×2÷6=13322×5÷2=805471×2÷6=157644×3÷6=32222×6÷4=33349×4÷2=698131×4÷2=262984×9÷3=2952160×5÷8=100260×8÷4=52040×9÷2=18078×7÷2=273147×2÷6=49457×4÷2=914142×7÷2=497888×7÷2=3108291×3÷9=9796×4÷3=12895×8÷5=152700×6÷4=1050108×9÷6=162567×2÷3=378399×2÷6=133646×9÷6=96975×7÷3=175490×2÷5=196202×3÷2=303190×3÷5=114138×6÷3=276602×2÷7=172185×3÷5=111962×2÷4=48180×8÷4=160411×6÷3=822160÷4÷5=8990÷6÷3=55896÷4÷7=32252÷2÷6=2172÷4÷6=3812÷2÷2=203336÷2÷4=42828÷6÷6=23604÷2÷2=151432÷6÷6=12180÷5÷4=9819÷7÷3=39444÷2÷6=37738÷3÷3=82840÷6÷2=70588÷3÷2=98596÷2÷2=149324÷3÷9=12570÷3÷5=38396÷9÷4=11504÷6÷2=42416÷8÷2=26594÷3÷2=99624÷3÷2=104750÷5÷2=75440÷5÷8=11144÷2÷3=24270÷9÷5=6480÷2÷8=3060÷4÷3=5216÷9÷4=6576÷3÷2=96608÷8÷4=19720÷9÷2=40320÷2÷8=20198÷9÷2=11510÷3÷5=34192÷4÷6=8810÷3÷5=54160÷8÷5=4138÷2×7=483472÷4×2=236988÷2×3=1482522÷2×9=2349440÷8×6=330664÷4×8=1328225÷5×7=315603÷9×4=268568÷8×6=42636÷9×6=24685÷5×4=548904÷4×9=2034795÷3×2=530955÷5×2=382126÷7×6=108680÷2×3=1020112÷8×9=126870÷2×4=1740915÷3×6=1830280÷7×4=160791÷7×8=904987÷7×6=84648÷3×4=64818÷2×4=1636908÷4×7=158981÷3×6=16224÷6×5=20936÷6×2=312530÷5×6=636357÷3×9=1071174÷3×2=116636÷6×9=954918÷2×5=2295104÷2×5=260714÷6×4=476102÷3×7=238912÷8×7=798623÷7×9=801176÷4×2=88420÷4×9=94520÷2×62=620644÷7×45=414084÷3×19=532378÷9×84=352845÷5×42=37896÷8×10=12055÷5×35=385693÷7×61=603972÷9×44=352276÷6×53=2438196÷7×14=392485÷5×23=2231102÷6×55=935270÷9×72=216090÷6×23=345270÷5×15=81035÷5×25=175539÷7×19=146390÷9×66=660486÷6×94=7614152÷8×25=475177÷3×83=4897100÷5×48=960332÷4×24=1992108÷4×23=621408÷6×62=421649÷7×77=539192÷4×77=369684÷4×29=609144÷3×30=144032÷8×87=348248÷4×19=117865÷5×40=520712÷8×60=5340252÷9×15=42096÷8×25=30040÷8×49=245126÷7×29=52284÷4×14=294140÷5×39=109262+(137-118)=81581+(912-744)=749428+(218-33)=613218+(370-144)=44471+(497-483)=85912+(286-277)=921213+(255-97)=371966+(767-658)=1075212+(234-18)=428796+(680-443)=1033406+(437-190)=653566+(599-36)=1129295+(178-83)=390298+(750-445)=60350+(408-292)=16651+(975-111)=915176+(146-88)=234447+(747-226)=968109+(235-228)=116262+(254-252)=264171+(492-339)=324915+(385-315)=985353+(409-24)=738367+(552-33)=886442+(449-28)=863617+(207-36)=788406+(421-84)=743914+(876-361)=142940+(395-169)=266552+(772-487)=837266+(232-14)=484938+(531-246)=1223190+(482-72)=600306+(903-538)=67125+(463-352)=13695+(686-39)=742157+(400-80)=47760+(981-493)=548296+(487-363)=420877+(433-420)=890474-(204+268)=2947-(679+85)=183426-(42+369)=15966-(620+276)=70390-(290+75)=25917-(89+97)=731472-(56+382)=34809-(283+181)=345318-(130+131)=57889-(23+815)=51343-(149+121)=73602-(354+29)=219483-(217+145)=121968-(246+235)=487381-(62+291)=28887-(397+305)=185318-(149+109)=60794-(426+149)=219277-(150+88)=39987-(556+60)=371475-(27+85)=363784-(462+179)=143459-(129+57)=273658-(56+203)=399205-(112+29)=64458-(225+10)=223293-(80+188)=25958-(297+448)=213455-(118+254)=83772-(35+336)=40187-(61+20)=6831-(441+370)=20310-(165+25)=120797-(99+589)=109454-(140+203)=111972-(830+22)=120247-(151+62)=34744-(178+202)=364467-(104+204)=159870-(322+428)=120499-(425-281)=355240-(583-418)=75203-(281-87)=9386-(858-625)=153372-(345-271)=298892-(292-45)=645473-(261-63)=275958-(278-103)=783258-(267-203)=194865-(629-95)=331226-(344-314)=196593-(692-562)=463292-(426-335)=201948-(763-652)=837325-(385-276)=216315-(588-449)=176256-(394-344)=206271-(838-788)=221313-(426-358)=245732-(980-425)=177494-(86-78)=486224-(628-449)=45495-(351-248)=392849-(728-431)=552396-(356-187)=227699-(968-312)=43472-(419-85)=138603-(610-602)=595383-(418-300)=265733-(626-560)=667377-(409-338)=306484-(620-333)=197103-(163-147)=87846-(510-503)=839327-(27-20)=320838-(947-694)=585450-(386-365)=429901-(605-480)=776293-(347-288)=23468-(400-350)=18308÷(35÷5)=44872÷(16÷8)=436348÷(12÷4)=116335÷(40÷8)=67144÷(36÷6)=24818÷(14÷7)=409408÷(28÷7)=102282÷(15÷5)=9440÷(10÷5)=20840÷(72÷9)=105376÷(40÷5)=47702÷(30÷5)=117329÷(49÷7)=47476÷(32÷8)=119246÷(36÷6)=41992÷(16÷4)=248472÷(64÷8)=59891÷(63÷7)=99366÷(12÷4)=122282÷(27÷9)=9448÷(27÷9)=16750÷(24÷4)=12551÷(18÷6)=17161÷(49÷7)=23412÷(28÷7)=103332÷(16÷4)=83330÷(45÷9)=66485÷(35÷7)=97116÷(16÷4)=29294÷(18÷6)=98185÷(25÷5)=37332÷(12÷3)=83108÷(54÷9)=18952÷(28÷4)=13626÷(10÷5)=13432÷(42÷7)=72458÷(16÷8)=229812÷(28÷7)=203396÷(28÷7)=99750÷(30÷5)=125644÷(2×2)=161186÷(2×3)=31776÷(2×2)=194896÷(2×2)=224220÷(2×2)=55944÷(2×4)=118980÷(2×2)=245732÷(2×2)=183248÷(2×2)=62920÷(2×4)=11540÷(2×2)=10330÷(2×3)=55700÷(2×2)=175855÷(3×3)=95414÷(2×3)=69684÷(2×3)=114856÷(4×2)=10740÷(2×4)=5432÷(2×2)=108876÷(2×3)=146856÷(2×2)=214756÷(2×3)=126168÷(2×3)=2872÷(2×2)=1881÷(3×3)=9192÷(2×4)=24728÷(2×2)=182152÷(2×4)=19780÷(2×2)=195828÷(3×2)=138128÷(2×2)=32858÷(2×3)=143136÷(2×4)=17544÷(2×2)=136948÷(3×2)=158996÷(2×2)=249432÷(2×4)=54716÷(2×2)=179906÷(3×2)=151972÷(2×2)=24319×(56÷7)=152367×(24÷8)=110142×(56÷7)=336596×(10÷2)=2980198×(24÷8)=594682×(36÷4)=613812×(36÷9)=48168×(72÷8)=1512226×(32÷8)=904688×(32÷8)=275287×(27÷9)=261848×(24÷6)=339286×(42÷6)=602203×(12÷4)=609438×(16÷8)=876266×(12÷6)=532137×(36÷6)=822926×(18÷3)=555654×(16÷2)=432477×(16÷4)=190870×(40÷5)=560668×(27÷3)=601273×(20÷5)=292548×(18÷2)=4932216×(18÷6)=648305×(36÷4)=2745475×(12÷6)=950676×(36÷4)=6084388×(16÷8)=776839×(12÷4)=2517348×(18÷9)=69681×(42÷7)=486110×(32÷4)=880529×(81÷9)=4761146×(14÷7)=292822×(18÷3)=4932280×(12÷4)=840635×(35÷5)=4445469×(18÷9)=938630×(63÷9)=441064×(91÷7)=83271×(264÷6)=312416×(145÷5)=46416×(52÷2)=41641×(120÷8)=61592×(285÷5)=524417×(424÷8)=90117×(602÷7)=146261×(40÷4)=61019×(308÷7)=83619×(441÷9)=93154×(249÷3)=448269×(40÷4)=69042×(158÷2)=331813×(210÷7)=39098×(114÷6)=186221×(145÷5)=60978×(711÷9)=616213×(184÷4)=59869×(621÷9)=476124×(80÷5)=38437×(540÷9)=222043×(120÷8)=64562×(570÷6)=589030×(216÷9)=72054×(477÷9)=286217×(138÷3)=78216×(456÷8)=91231×(72÷4)=55880×(128÷4)=256012×(123÷3)=49290×(68÷4)=153017×(312÷6)=88442×(189÷7)=113410×(78÷2)=39012×(292÷4)=87625×(270÷9)=75053×(128÷8)=84818×(28÷2)=25258×(388÷4)=5626211+230×3=901466+74×6=910190+70×9=820932+63×8=1436284+70×6