04乘法03.乘法的關係(選擇03)
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年級 *
20 points
班級 *
20 points
座號 *
20 points
1. 選出答案是20的算式 *
10 points
2. 選出答案是18的算式 *
10 points
3. 選出答案是32的算式 *
10 points
4. 選出答案是18的算式 *
10 points
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