87 加法 49 等于多少？
87 + 49 = 136
87加法49 等于 136
竖式演算
验算
- 用减法验算：136 − 49 = 87
- 用减法验算：136 − 87 = 49
相关题目
87 + 48 = 135
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86 + 49 = 135
88 + 49 = 137
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8 × 17 = 136
34 × 4 = 136
17 × 8 = 136