03乘法01幾十乘以一位數(選擇01)
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28 points
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28 points
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29 points
(1). 數個相同的數相加時,哪一種算法最簡便?
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(2). 1枝螢光筆賣30元,小青買了6枝,共要付幾元?
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(3). 水梨禮盒每盒可以裝10個,裝滿4盒,共有多少個水梨?
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(4). 甲×4=乙×7,甲和乙皆是大於0的整數,由此算式可以看出什麼?
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(5). 20×6所得到的積和下面哪一個算式的乘積不同?
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