55 乘法 7 等于多少?
55 × 7 = 385
55乘法7 等于 385
竖式演算
验算
- 用除法验算:385 ÷ 7 = 55
- 用除法验算:385 ÷ 55 = 7
相关题目
55 × 6 = 330
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