18 加法 69 等于多少？
18 + 69 = 87
18加法69 等于 87
竖式演算
验算
- 用减法验算：87 − 69 = 18
- 用减法验算：87 − 18 = 69
相关题目
18 + 68 = 86
18 + 70 = 88
18 + 67 = 85
18 + 71 = 89
18 + 66 = 84
18 + 72 = 90
18 + 65 = 83
18 + 73 = 91
17 + 69 = 86
19 + 69 = 88
20 + 69 = 89
16 + 69 = 85
21 + 69 = 90
15 + 69 = 84
22 + 69 = 91
14 + 69 = 83
1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
6 + 81 = 87
94 + 84 = 178
52 + 84 = 136
65 + 28 = 93
38 + 56 = 94
81 + 36 = 117
40 + 97 = 137
96 - 9 = 87
89 - 2 = 87