三年級(jí)數(shù)學(xué)幾百幾十加減幾百幾十競賽試題習(xí)題帶答案姓名：班級(jí)：日期：用時(shí)：分鐘得分：890-870=520+1000=440-180=760-190=310-280=380+640=270-250=490+640=800-540=880-400=870-40=510-110=330+460=580-50=120+900=400-330=90+740=930-150=60+420=650-100=120+490=990-90=740-590=960-20=110+700=190+470=860-780=520-200=320+680=520-420=710-150=710+930=530-430=1000-80=340-210=360-60=420-70=410-200=890+1000=940-790=850-530=300-100=40+960=770-380=510+520=530-310=50-20=560+590=470-190=330-20=460+760=790-120=300+740=330-150=330-40=310-30=700-130=170+640=820-770=860-30=860-260=280-110=910-220=880-750=460+830=190+950=490+680=520-510=910-620=170+210=810-800=910-760=180+990=670-360=60+810=990-640=130+910=680-560=250+530=810-150=170+560=460+540=470+770=660+1000=510+720=810-240=550-390=880-630=620-160=690+940=200+340=480-380=720+990=440+890=340-230=410+520=20+950=890-420=300+390=230+830=110+430=870-80=670-270=640-50=350+800=280+480=750-50=570+930=120+600=600-600=230+630=370+490=920-380=480+510=810+970=410-250=990-70=920-630=80+690=210+570=90+400=990-290=100+700=750-370=500+870=370+660=650-330=650+990=180+840=900-640=990-70=690+900=80+860=530-260=120+230=850-760=860-280=130+450=810+990=850-500=560-330=290+750=800-470=980-160=640+810=110+610=980-390=360-40=760-640=360+850=740+800=160+730=910-170=950-480=300+860=940-280=140-120=520+750=340+780=200-100=730-680=260+500=240+790=820-600=760+920=400+500=460-290=420+430=520-40=260+590=410+830=210+890=370+690=700-580=910-90=740-160=40+810=110+490=540+740=900-480=990-90=910+980=140+260=10+320=10+440=580-530=710-520=260-130=190+810=510-260=80+870=1000-70=540+840=310-130=190+710=560-40=360+420=630-530=260+410=780+910=210+240=880-560=990-520=450+480=950-900=370-190=80+420=950-370=540-300=300-20=840-200=110+800=240+440=530-80=200+870=330+790=430-60=540+760=260-120=420-140=430-160=790-780=320-320=830-780=400+990=480+580=920-60=650-470=330+690=490-140=710-120=990-570=890-440=30+660=560-470=340-330=450+710=1000-870=770-570=30-30=820+910=220+990=590-440=400-40=280-90=850+970=550-460=270-140=410+910=240+410=590-450=50+540=910-320=910-820=120+700=640-440=50+380=1000-370=330+650=850-710=810-730=710-120=530-60=510-350=840-740=50+190=940-570=100+520=380-80=990-520=710-390=440-320=130+580=990-620=700+760=100+300=910-490=850-810=280+290=870-270=810-100=670+950=240+260=60+360=460+690=290-260=270+900=720-370=690+950=780+1000=560+700=230+660=300-110=100+120=20+390=580-20=280+590=290-90=180+920=280+590=160+650=250+1000=720-360=850-190=760-760=730-230=410+430=790-300=80+690=340-300=530-150=920-400=760-290=510+790=190+970=160+450=380+710=860-660=890+980=60+540=480+850=860-710=130+310=50+390=930+940=880-730=190+240=600+830=500+550=490+560=950-620=930-460=870-30=870-460=900-680=280+580=450+750=500+610=550-490=960-580=130+370=750-140=210-190=430+530=960-610=650+860=480-300=200+390=360+940=530-270=660-640=890-830=60+600=250+890=120+130=130+980=300+320=960-720=160-130=990-50=130+650=560+830=190+280=400+570=790-610=290-110=950-180=590-420=190+950=970-210=20+610=640+670=140+520=640-320=600-530=660-240=1000-920=780+950=920-240=610+920=910+960=220-100=970-200=960-180=200+240=290+750=810-360=160-70=680-210=940-900=350-60=620+930=540-190=340+370=600-550=590+670=1000-570=80+640=910-90=220+250=190+710=740+770=190+710=310+610=440+720=760+920=610-330=20+300=60+300=130+740=900-320=620-410=400-290=270+640=330+390=810-280=310-110=970-30=50+500=290+450=940-860=990-730=930-930=850-730=790-320=440-190=910-770=250-160=690-640=570+720=630-40=370+490=970-30=100+540=720-250=670-420=360+800=240+860=520-420=590+930=60+450=130+710=240+830=270+780=950-530=980-670=930-570=700-180=170-160=670+740=710+950=680-210=610-250=200+720=930-190=320-170=910-860=960-320=120+330=370+500=1000-950=990-840=480+930=330+760=330-190=350+820=70+860=660-660=860-610=610-610=90+220=290-170=40+650=300-90=340+540=150+750=600+910=610-60=400+740=340+490=440+680=190+830=770-750=240+690=140+990=550-80=700-670=640+740=540+800=860-120=190+980=280+670=780-500=430+600=710-560=240+480=780-440=690+990=910-340=100+720=390-290=420-100=510-220=870-250=410+650=340+970=600-230=530-420=20+600=650+930=700-230=700-300=490-130=230+400=90+650=660-60=530-340=630-530=610-220=190-30=60+770=810-710=400+540=980-850=790+900=800-390=170+640=210+980=270+510=700+810=550+630=330+970=340+520=20+960=510-150=250+860=210+940=950-770=710+780=400+800=90+980=660+860=530-30=180+760=390+440=530+550=610+840=900-310=600+700=710+880=940-60=140+320=340+620=960+990=860-360=50+900=740+940=20+60=490+540=930-100=470-140=790-550=230+380=480+780=310+790=990-510=320+910=20+100=40+990=790-190=20+70=870-360=60+930=790+960=160+400=290+990=600-520=570-280=650-280=970-180=540+600=830-600=590+800=30+760=500+620=230+560=410+630=830-290=820-230=500+820=650-640=950-770=420+790=330-270=890+950=950-840=510+700=230+820=510-110=190-110=720+890=810-300=200+330=520-370=990-660=80+370=510-90=230+850=590-360=980-260=660+840=720-580=440-270=760+980=740-230=200+610=580-50=150+280=930-430=360+860=630+760=980-680=700+760=260-60=110+450=960-910=610-450=850-120=300-260=880-600=960-670=110+960=240-240=190-90=310+650=530+660=930-250=970-210=430+520=850-380=740-180=480-220=290+450=330+450=190+300=340-110=80+540=790-550=530+900=900-600=80+480=780-590=540-330=460+660=250+490=260-190=680-350=160-40=370-180=180+810=720+990=50+670=850-600=730-630=170+830=630-540=940-560=200+730=570-570=820-20=350+460=980-140=600-590=870-530=620-230=790-790=990-50=970-80=150+770=130+800=500-350=90+380=340+750=60+890=280+660=530+960=500+740=230-160=1000-80=910-600=500+580=760+910=740+890=820-820=440-290=60+390=490+680=610+680=610-450=1000-490=960-460=720-700=660-310=950-370=80+810=350+440=250-70=740-740=640-200=640-40=70+1000=300+940=950-450=350+690=400+710=560-560=70+250=260+670=750-300=410+490=280+750=930-860=900-580=470+820=270+590=250+660=640-280=170+520=380+530=330+960=610+630=500-20=640-560=470+630=230+520=900-280=920-870=880-260=20+610=570-340=660+850=110+950=730+940=470-60=120+420=620-80=610-550=750-280=220+470=550-80=210+850=670-160=60+390=640-630=910-570=820-240=850-130=680-320=660-520=430+920=880-680=20+670=670+850=850-330=320+450=610+730=920-80=190+860=980-840=420+830=690-200=70+460=390-80=330+720=950-360=870-580=30+960=980-380=720-210=280+860=970-150=500-120=830-150=340+860=490-50=410+720=940-610=30+350=50+240=360-240=490-440=270+600=920-70=230+800=610-440=570-20=220+970=210+790=590-550=520-110=600+890=480-230=600-210=760-690=240+740=340+430=480+600=870-290=420-290=340-150=450-100=930-460=510+980=340+420=280+450=680-600=50+200=620+870=840-720=200+650=410+790=280+750=580+590=350+500=750-300=400+700=560+870=710-290=960-130=610-120=1000-660=180+330=90+540=170+220=740+900=520-490=430+890=850-210=750-90=350+810=390+790=610+860=970-600=870+920=70-50=830-600=530-440=120+300=1000-900=370+550=600-60=30+240=320+360=980-980=830-750=520-390=600-540=70+380=600+630=570-250=660-440=440+620=700+860=710-540=510-300=20+590=610-160=710+770=90+300=280-90=790+950=910-280=500+710=770-290=510-180=660+890=600-30=520-240=690-310=530-440=960-690=780+910=470+660=920-120=650-400=80+740=370+400=550+730=650-330=770-80=670-220=760-170=290+930=870-760=650-550=270+340=290+700=960-620=70+300=380-140=980-340=310+630=400-390=580+740=580+800=390-390=180-150=790+970=380+530=380+840=810-140=850-300=260-180=60-30=740+920=370+790=980-760=60+470=80+180=810-480=120+860=350-30=290+570=110-80=730-100=670+790=100+770=210-130=40+390=650-30=800-190=310+910=690-450=850-830=490+860=510+620=520+870=710-620=530+920=150+660=890+930=240+570=30+440=850-140=410+470=370-50=170+320=830-140=190-80=990-110=940-140=250+940=910-290=450+770=330+870=870-330=490+650=510-180=660-310=270+860=600+850=650+960=950-500=90+350=240+270=100+420=960-890=410+510=620-280=990-970=820-800=230-160=720-610=630-330=80+540=750-320=330-220=850-730=130+180=40+210=630+660=920-350=290-140=330+640=700-120=820-690=600+720=820-30=30+560=510-270=30+690=830-630=440-230=350+390=400-90=660+1000=560+750=850-670=60+540=90+960=400+670=450-230=850+990=370+790=420-240=940-810=380+770=180+230=520+710=490-320=910-120=710+840=770+920=770-350=320+900=620-240=70+840=280+290=180+450=690-50=100+420=320+540=610+970=750+830=340-210=350+440=110+250=160+380=440+730=440+580=790-680=220+460=500+800=240+940=610-340=410+930=590-130=400+470=700-660=200+560=770-200=820-60=520+760=230-230=510-220=250+860=160+590=760-90=310+420=980-960=790-550=100+270=750-300=410+590=630-90=790-460=930-620=700-80=880+940=60+860=100+220=260+540=110+920=50+900=930-480=40+490=650-650=230+390=550-460=80+310=380-30=980-970=10+400=240+410=200+380=410+740=150+270=660-200=700-510=270-40=550-30=360+900=240+300=770-40=470-280=880-770=390-260=600+670=830+900=700-250=170+820=850-300=320+770=80+950=230+740=800-710=780+840=50+70=390+930=330+950=330+630=590+670=60+240=500-130=430-350=190+820=170+580=790-600=510+570=130-90=900-580=520-340=970-530=760-280=930-410=640-430=100+970=220+970=580-510=860-710=910-200=770-200=410+750=790-120=480+770=290+860=140+720=490+990=190-150=640+920=730-440=70+540=720-200=590-480=80+160=850-90=330+400=590+620=740+970=980-30=710+1000=210+680=250+450=20+40=1000-900=860-130=730-180=400-200=80+830=890+990=520-160=750-160=90+970=620-410=740-310=700-630=400+480=470-440=470-440=410+580=670-410=270+730=130+920=290+550=800-100=910-150=270+860=130+160=910-280=910-640=70+640=960-740=220+630=840+870=380+430=930-900=450+930=740-540=390-250=1000-90=110+820=290+850=670+720=570-380=20+40=70+880=280+910=370-280=270-140=200+870=60+760=590+690=260+940=60+780=960-850=900+980=910-20=690-180=590+870=550-290=660-220=350-180=560+680=740-140=780-290=20+400=340+430=760-320=270+970=800-40=860-750=490-170=530+710=790-500=370+790=160+760=90+310=860-740=590-260=510-40=960-510=600+660=640-500=70+100=690-480=780-680=110+290=920-660=910-480=840-250=850-520=360+940=230-150=190+550=230+950=670-70=470-110=960-300=30+190=790-560=400+600=40+250=540-300=280+710=630-130=610-170=940-750=340+800=510+1000=420+540=250-110=200-40=130+570=840-60=460+480=230+430=230+680=490+830=1000-860=310-150=790-220=230+980=360+690=440+1000=930-130=830-780=540+650=210+990=100-80=900-220=850+890=620-610=590+980=930-450=990-520=810-240=250-230=140+300=510+680=700-450=210+890=920-50=290+450=200+620=620-310=400-330=300+860=140+460=830-810=380-250=530-50=530+770=920-660=440+530=240+470=980-250=850-250=810-460=220+1000=860-560=290+680=260-260=340+480=840+960=220+670=420+910=340-300=660+790=630-100=260+480=880-610=240+390=830-500=370+650=470+850=350+600=40+400=120+910=940-540=430+640=250+340=360+650=780-590=380+730=350-50=400+800=600+760=650-70=560+950=680+990=80+570=660+720=40+580=70+390=560+640=460+570=860-160=910-270=530+710=230+310=590-120=40+750=280+940=50+250=860-590=330+910=140+500=60+330=690-70=80+980=800-320=400+980=120+820=750-590=710-500=660-420=620+890=40+740=70+190=440+990=20+380=630+650=600+700=470-210=830-400=920-180=700-160=150+220=840-520=330+570=910-310=420+870=180+650=600-90=250+660=280-210=530-510=830-150=970-310=260+930=40+180=820-400=720-360=570+900=100+450=420+780=160-110=950-840=370+640=180+620=670-280=420-400=520+720=920-610=850-400=150+500=710-550=50+110=550-510=630-140=280+320=840-210=990-450=220+880=530+610=320+800=430+740=820-440=470-440=410+540=20+680=50-20=330+510=880-230=730-530=720+910=170+500=940-370=880+900=630+730=850-50=70+810=560+890=820-510=930-600=460+750=890-450=200+750=450-390=20+540=840-170=60+430=670+870=160+780=420+760=530+990=760+830=970-850=520+670=930-20=310+850=930-380=510-310=580-280=800-730=20+600=270+500=490-170=190+470=290+780=960-900=40+410=480+760=610+830=180+640=90+950=750-60=310-100=420-220=550-490=520+540=580-320=660-590=770-370=800-470=480-50=230+650=440+850=500+830=990-620=780-720=100+710=500-250=790-700=570-550=240+270=910-160=740-700=230+360=230+1000=880-300=60+790=410-200=460-90=400+410=300+870=140+510=110+800=860-170=160-50=420-40=330-70=760-110=540-330=850-190=590-360=240+280=240+430=790-110=540-520=250+650=850-220=390+850=850-80=700-440=440-230=510+550=610-580=60+510=220+580=430+940=770-410=550-280=520+900=980-400=720-540=690-290=330+560=930-210=180+560=180+370=410-340=700-580=540+1000=510+800=690-300=360+1000=450+660=900-250=480+780=880-570=500-150=210+720=420+600=160+610=100+290=590-150=600+990=760-90=210+930=930-440=50+860=70+800=480+940=40+820=480+520=640-450=260+680=90+690=890-290=150+260=50+650=510-430=110+860=820-410=430+490=960-60=60+290=270+370=730-260=340+430=980-310=720-50=410-350=150+700=1000-140=590-440=800-400=470-360=840-580=260+920=700-670=700+980=350+610=120+610=270-140=600-310=880-290=420+840=390+460=740+800=290-80=700-360=680+760=510+660=880-790=560+880=720-450=130+530=970-460=790+1000=910-280=150+310=510-400=30+230=60+240=690-470=890-880=870-480=630+810=答案20152026057030102020113026048083040079053010207083078048055061090015094081066080320100010056016401009201303003502101890150320200100039010302203011502803101220670104018029028057081050830600170690130129011401170102903801015011703108703501040120780660730100012401660123057016025046016305401001710133011093097047069010605407904005901150760700150072008608605409901780160920290770780490700800380137010303201640102026092015909402703509058058018003502301040330820145072059032012012101540890740470116066020127011201005076010302201680900170850480850124011001060120820580850600128042090018904003304505019013010002509509301380180900520780100670169045032047093050180500580240280640910680450107011203701300140280270100501390106086018010203505904204506909010116013020001730121015036019018209013013206501405905909082020043063098014080590470160100240370620300470320120710370146040042040570600710162050042011503011703501640178012608901902204105608702001100870810125036066005008404907704038052047013001160610109020018706001330150440440187015043014301050105033047084041022086012001110603805006102096035015101805901300260206066011402501110620240309407801390470970180180770170114076063013106603207042080173068015301870120770780440104045090470402901550350710501260430720820470900151090092011601680280320360870580210110910720530200940550740802600120470250140905012905908609406404702501160110010015205108401070105042031036052010141016604703609207401505064045087050150141010901401170930025003101206902108809001510550114083011201020209301130470301380134074011709502801030150720340168057082010032029062010601310370110620158047040036063074060019010039016083010094013016904108101190780151011801300860980360111011501801490120010701520500940830108014505901300159088046096019505009501680801030830330240610126011004801230120103060090510990175056012808029037079011402301390790112079010405405901320101801210601840110121010504008016105105301503304504201080230720150014017017405108105304305001220139030014602005605016073040280290107001009601190680760950470560260740780490230620240143030056019021011207407033012019099017107202501001000903809300800810840103403900940890920930150470109095094014901240709203101080167016300150450117012901605105002035058089079018004406001070124050010401110032093045090010307032012908609103606909101290124048080110075062050620630230151010601670410540540604706904701060510450103405807203601401350200690152052077013408401050140125049053031010505902909906005101140820380680120044011303303802901205087085010301705501190100040410149025039070980770108058013019035047014907607308025014901208501200103011708504501100143042083049034051063039016403013206406601160118014703701790202309042010092054027068008013060450123032022010601560170210610450148039019017406301210480330155057028038090270169011308002508207701280320690450590122011010061099034037024064094010132013800301760910122067055080301660116022053026033098032086030630146087080430620610122024020135011301390901450810182081047071088032049069011088080011906201220120054011403303501130145016104504405105207092034020207011030062043011012031025012905701509705801301320790590240720200210740310166013101806001050107022018401160180130115041012301707901550169042012203809105706306405208601580158013079036054011701020110680130011802701340460870407605