54 加法 20 等于多少？
54 + 20 = 74
54加法20 等于 74
竖式演算
验算
- 用减法验算：74 − 20 = 54
- 用减法验算：74 − 54 = 20
相关题目
54 + 19 = 73
54 + 21 = 75
54 + 22 = 76
54 + 18 = 72
54 + 23 = 77
54 + 17 = 71
54 + 24 = 78
54 + 16 = 70
53 + 20 = 73
55 + 20 = 75
56 + 20 = 76
52 + 20 = 72
57 + 20 = 77
51 + 20 = 71
58 + 20 = 78
50 + 20 = 70
1 + 73 = 74
2 + 72 = 74
3 + 71 = 74
4 + 70 = 74
5 + 69 = 74
6 + 68 = 74
12 + 51 = 63
14 + 80 = 94
22 + 42 = 64
45 + 34 = 79
56 + 3 = 59
42 + 51 = 93
2 × 37 = 74
84 - 10 = 74