11 加法 78 等于多少？
11 + 78 = 89
11加法78 等于 89
竖式演算
验算
- 用减法验算：89 − 78 = 11
- 用减法验算：89 − 11 = 78
相关题目
11 + 77 = 88
11 + 79 = 90
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11 + 75 = 86
11 + 81 = 92
11 + 74 = 85
11 + 82 = 93
10 + 78 = 88
12 + 78 = 90
13 + 78 = 91
9 + 78 = 87
14 + 78 = 92
8 + 78 = 86
15 + 78 = 93
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2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
5 + 84 = 89
6 + 83 = 89
1 + 50 = 51
33 + 34 = 67
60 + 17 = 77
33 + 21 = 54
10 + 27 = 37
92 - 3 = 89
98 - 9 = 89
91 - 2 = 89