10 乘法 49 等于多少?
10 × 49 = 490
10乘法49 等于 490
竖式演算
验算
- 用除法验算:490 ÷ 49 = 10
- 用除法验算:490 ÷ 10 = 49
相关题目
10 × 48 = 480
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