67 加法 20 等于多少？
67 + 20 = 87
67加法20 等于 87
竖式演算
验算
- 用减法验算：87 − 20 = 67
- 用减法验算：87 − 67 = 20
相关题目
67 + 19 = 86
67 + 21 = 88
67 + 22 = 89
67 + 18 = 85
67 + 23 = 90
67 + 17 = 84
67 + 24 = 91
67 + 16 = 83
66 + 20 = 86
68 + 20 = 88
65 + 20 = 85
69 + 20 = 89
64 + 20 = 84
70 + 20 = 90
71 + 20 = 91
63 + 20 = 83
1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
6 + 81 = 87
60 + 22 = 82
34 + 41 = 75
10 + 19 = 29
5 + 31 = 36
13 + 61 = 74
33 + 41 = 74
1 × 87 = 87
88 - 1 = 87