2018 Primary Mathematics Challenge-February-教师用卷
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2022-12-06 22:15:41
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2018PrimaryMathematicsChallenge-February-教师用卷教师用卷1、【来源】(2018PrimaryMathematicsChallenge-February,Question#P1)Aregularpentagonhasaperimeterof30cm.Howlongiseachside?()A.4cmB.5cmC.6cmD.7cmE.8cm【答案】C;【解析】(30cm÷5=6cm).2、【来源】(2018PrimaryMathematicsChallenge-February,Question#P2)Twothirdsofanumberis12.Whatisthenumber?()A.4B.6C.8D.18E.20【答案】D;【解析】(12÷2)×3=18.
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