20 加法 54 等于多少？
20 + 54 = 74
20加法54 等于 74
竖式演算
验算
- 用减法验算：74 − 54 = 20
- 用减法验算：74 − 20 = 54
相关题目
20 + 53 = 73
20 + 55 = 75
20 + 56 = 76
20 + 52 = 72
20 + 57 = 77
20 + 51 = 71
20 + 58 = 78
20 + 50 = 70
19 + 54 = 73
21 + 54 = 75
22 + 54 = 76
18 + 54 = 72
23 + 54 = 77
17 + 54 = 71
24 + 54 = 78
16 + 54 = 70
1 + 73 = 74
2 + 72 = 74
3 + 71 = 74
4 + 70 = 74
5 + 69 = 74
6 + 68 = 74
82 + 4 = 86
10 + 19 = 29
55 + 24 = 79
58 + 40 = 98
62 + 32 = 94
12 + 45 = 57
81 - 7 = 74
94 - 20 = 74