1 乘法 57 等于多少?
1 × 57 = 57
1乘法57 等于 57
竖式演算
验算
- 用除法验算:57 ÷ 57 = 1
- 用除法验算:57 ÷ 1 = 57
相关题目
1 × 56 = 56
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