52 加法 20 等于多少？
52 + 20 = 72
52加法20 等于 72
竖式演算
验算
- 用减法验算：72 − 20 = 52
- 用减法验算：72 − 52 = 20
相关题目
52 + 19 = 71
52 + 21 = 73
52 + 22 = 74
52 + 18 = 70
52 + 23 = 75
52 + 17 = 69
52 + 24 = 76
52 + 16 = 68
51 + 20 = 71
53 + 20 = 73
50 + 20 = 70
54 + 20 = 74
49 + 20 = 69
55 + 20 = 75
56 + 20 = 76
48 + 20 = 68
1 + 71 = 72
2 + 70 = 72
3 + 69 = 72
4 + 68 = 72
5 + 67 = 72
6 + 66 = 72
31 + 26 = 57
2 + 95 = 97
50 + 33 = 83
62 + 31 = 93
22 + 45 = 67
20 + 77 = 97
8 × 9 = 72
83 - 11 = 72