81 加法 7 等于多少？
81 + 7 = 88
81加法7 等于 88
竖式演算
验算
- 用减法验算：88 − 7 = 81
- 用减法验算：88 − 81 = 7
相关题目
81 + 6 = 87
81 + 8 = 89
81 + 5 = 86
81 + 9 = 90
81 + 4 = 85
81 + 10 = 91
81 + 11 = 92
81 + 3 = 84
80 + 7 = 87
82 + 7 = 89
83 + 7 = 90
79 + 7 = 86
84 + 7 = 91
78 + 7 = 85
85 + 7 = 92
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2 + 86 = 88
3 + 85 = 88
4 + 84 = 88
5 + 83 = 88
6 + 82 = 88
1 + 42 = 43
66 + 11 = 77
50 + 11 = 61
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34 + 65 = 99
20 + 8 = 28
1 × 88 = 88
91 - 3 = 88