90 加法 53 等于多少？
90 + 53 = 143
90加法53 等于 143
竖式演算
验算
- 用减法验算：143 − 53 = 90
- 用减法验算：143 − 90 = 53
相关题目
90 + 52 = 142
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13 × 11 = 143
11 × 13 = 143