28 加法 52 等于多少？
28 + 52 = 80
28加法52 等于 80
竖式演算
验算
- 用减法验算：80 − 52 = 28
- 用减法验算：80 − 28 = 52
相关题目
28 + 51 = 79
28 + 53 = 81
28 + 50 = 78
28 + 54 = 82
28 + 49 = 77
28 + 55 = 83
28 + 56 = 84
28 + 48 = 76
29 + 52 = 81
27 + 52 = 79
30 + 52 = 82
26 + 52 = 78
31 + 52 = 83
25 + 52 = 77
32 + 52 = 84
24 + 52 = 76
1 + 79 = 80
2 + 78 = 80
3 + 77 = 80
4 + 76 = 80
5 + 75 = 80
6 + 74 = 80
7 + 8 = 15
82 + 35 = 117
7 + 47 = 54
67 + 9 = 76
39 + 6 = 45
25 + 55 = 80
80 × 1 = 80
81 - 1 = 80