30 乘法 71 等于多少?
30 × 71 = 2130
30乘法71 等于 2130
竖式演算
验算
- 用除法验算:2130 ÷ 71 = 30
- 用除法验算:2130 ÷ 30 = 71
相关题目
30 × 70 = 2100
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