77 加法 61 等于多少？
77 + 61 = 138
77加法61 等于 138
竖式演算
验算
- 用减法验算：138 − 61 = 77
- 用减法验算：138 − 77 = 61
相关题目
77 + 60 = 137
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76 + 61 = 137
78 + 61 = 139
75 + 61 = 136
79 + 61 = 140
74 + 61 = 135
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79 + 16 = 95
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69 × 2 = 138
23 × 6 = 138