05小數乘以整數01一位小數乘以一位整數(選擇01)
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31 points
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31 points
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32 points
(1). 1條彩帶長2.5公尺,8條相同的彩帶接起來共長多少公尺?
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(2). 爸爸1天用0.8公斤的茶葉泡茶,一星期共用掉幾公斤的茶葉?
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