20 加法 67 等于多少？
20 + 67 = 87
20加法67 等于 87
竖式演算
验算
- 用减法验算：87 − 67 = 20
- 用减法验算：87 − 20 = 67
相关题目
20 + 66 = 86
20 + 68 = 88
20 + 65 = 85
20 + 69 = 89
20 + 64 = 84
20 + 70 = 90
20 + 71 = 91
20 + 63 = 83
19 + 67 = 86
21 + 67 = 88
22 + 67 = 89
18 + 67 = 85
23 + 67 = 90
17 + 67 = 84
24 + 67 = 91
16 + 67 = 83
1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
6 + 81 = 87
11 + 32 = 43
82 + 6 = 88
3 + 5 = 8
24 + 100 = 124
100 + 62 = 162
10 + 33 = 43
87 × 1 = 87
94 - 7 = 87