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
9 + 54 = 63
26 + 45 = 71
60 + 83 = 143
73 + 82 = 155
27 + 23 = 50
39 + 51 = 90
92 - 5 = 87
88 - 1 = 87