61 加法 77 等于多少？
61 + 77 = 138
61加法77 等于 138
竖式演算
验算
- 用减法验算：138 − 77 = 61
- 用减法验算：138 − 61 = 77
相关题目
61 + 76 = 137
61 + 78 = 139
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61 + 80 = 141
61 + 73 = 134
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60 + 77 = 137
62 + 77 = 139
59 + 77 = 136
63 + 77 = 140
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39 + 99 = 138
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42 + 96 = 138
43 + 95 = 138
50 + 67 = 117
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3 × 46 = 138
23 × 6 = 138