1 加法 86 等于多少？
1 + 86 = 87
1加法86 等于 87
竖式演算
验算
- 用减法验算：87 − 86 = 1
- 用减法验算：87 − 1 = 86
相关题目
1 + 85 = 86
1 + 87 = 88
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1 + 88 = 89
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1 + 89 = 90
1 + 82 = 83
1 + 90 = 91
2 + 86 = 88
3 + 86 = 89
4 + 86 = 90
5 + 86 = 91
6 + 86 = 92
7 + 86 = 93
8 + 86 = 94
9 + 86 = 95
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3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
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7 + 80 = 87
25 + 14 = 39
13 + 24 = 37
55 + 1 = 56
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92 - 5 = 87
93 - 6 = 87