01分數的乘法03分數的分數倍(選擇01)
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23 points
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23 points
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24 points
(1) 10個雞蛋裝1盒,1/5盒的1/2倍是幾盒?
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(2) 1罐油漆重2/5公斤,工人粉刷牆壁用掉4又1/2罐,共用了幾公斤的油漆?
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(3) 1個正方形馬賽克磁磚邊長是2又1/2公分,用144個拼成一幅馬賽克藝術畫,面積是幾平方公分?
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(4) (乙/甲) × (丁/丙)是多少?
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(5) 1本小說有150頁,文福上午看了全部的2/5,下午看了全部的1/3,還剩下幾頁沒看完?
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(6) 有甲、乙兩個正方體,甲的邊長是1公尺,乙的邊長是甲的1/2倍,乙的體積是甲的幾倍?
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