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