2016 Junior Kangaroo-学生用卷
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2022-12-26 21:12:12
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2016JuniorKangaroo-学生用卷学生用卷1、【来源】(2016JuniorKangarooQuestion#1)Atwhichofthesetimesistheanglebetweentheminutehandandthehourhandofaclockequalto150°?（）A.9pmB.8pmC.6pmD.5pmE.4pm2、【来源】(2016JuniorKangarooQuestion#2)Twelvepeople,andnomore,cansitevenlyspacedaroundalargesquaretable.Rohanarrangeseightofthesesquaretablesinarowtomakeonelongrectangulartable.Whatisthemaximumnumberofpeoplethatcansitevenlyspacedaroundthislongtable?（）A.48B.54C.60D.80E.963、【来源】(2016JuniorKangarooQuestion#3)Aballandabatcost￡90intotal.Threeballsandtwobatscost￡210intotal.Howmuchdoesabatcost?（）A.￡20B.￡30
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