02小數的乘法02小數的小數倍(選擇01)
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22 points
班級 *
22 points
座號 *
23 points
(1) 0.6的0.14倍是多少?
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(2) 1.8公斤的0.14倍是幾公斤?
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(3) 0.52×1.66的積,和下面哪一個算式的積一樣?
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(4) 0.33×0.99所得的積是幾位小數?
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(5) 下面是小華做「2.34×0.38」的直式計算,請你幫她找出正確的地方?
3 points
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(6) 二位小數乘以一位小數,所得的積不可能是幾位小數?
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(7) 被乘數是二位小數,乘數是五位小數,積最多是幾位小數?
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(8) 在小數乘以小數中,若積的位數不夠記小數位數時,要如何處理?
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(9) 0.05×0.09的積是幾位小數?
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(10) 0.06×0.25的答案是多少?
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(11) 如下圖,阿山將一張邊長為20.5公分的正方形厚紙板,剪下2個邊長為4.1公分的正方形和2個長5.2公分、寬2.4公分的長方形後,形成一個面具。此面具的面積為幾平方公分?
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