34 加法 20 等于多少？
34 + 20 = 54
34加法20 等于 54
竖式演算
验算
- 用减法验算：54 − 20 = 34
- 用减法验算：54 − 34 = 20
相关题目
34 + 19 = 53
34 + 21 = 55
34 + 22 = 56
34 + 18 = 52
34 + 23 = 57
34 + 17 = 51
34 + 24 = 58
34 + 16 = 50
33 + 20 = 53
35 + 20 = 55
32 + 20 = 52
36 + 20 = 56
31 + 20 = 51
37 + 20 = 57
38 + 20 = 58
30 + 20 = 50
1 + 53 = 54
2 + 52 = 54
3 + 51 = 54
4 + 50 = 54
5 + 49 = 54
6 + 48 = 54
37 + 22 = 59
8 + 1 = 9
2 + 72 = 74
82 + 1 = 83
11 + 16 = 27
31 + 4 = 35
78 - 24 = 54
76 - 22 = 54