20 加法 52 等于多少?
20 + 52 = 72
20加法52 等于 72
竖式演算
验算
- 用减法验算:72 − 52 = 20
- 用减法验算:72 − 20 = 52
相关题目
20 + 51 = 71
20 + 53 = 73
20 + 50 = 70
20 + 54 = 74
20 + 49 = 69
20 + 55 = 75
20 + 56 = 76
20 + 48 = 68
19 + 52 = 71
21 + 52 = 73
22 + 52 = 74
18 + 52 = 70
23 + 52 = 75
17 + 52 = 69
24 + 52 = 76
16 + 52 = 68
1 + 71 = 72
2 + 70 = 72
3 + 69 = 72
4 + 68 = 72
5 + 67 = 72
6 + 66 = 72
26 + 11 = 37
65 + 12 = 77
4 + 84 = 88
50 + 11 = 61
60 + 26 = 86
61 + 36 = 97
76 - 4 = 72
1 × 72 = 72