20 加法 53 等于多少？
20 + 53 = 73
20加法53 等于 73
竖式演算
验算
- 用减法验算：73 − 53 = 20
- 用减法验算：73 − 20 = 53
相关题目
20 + 52 = 72
20 + 54 = 74
20 + 51 = 71
20 + 55 = 75
20 + 56 = 76
20 + 50 = 70
20 + 57 = 77
20 + 49 = 69
19 + 53 = 72
21 + 53 = 74
22 + 53 = 75
18 + 53 = 71
23 + 53 = 76
17 + 53 = 70
24 + 53 = 77
16 + 53 = 69
1 + 72 = 73
2 + 71 = 73
3 + 70 = 73
4 + 69 = 73
5 + 68 = 73
6 + 67 = 73
82 + 2 = 84
40 + 29 = 69
57 + 41 = 98
2 + 72 = 74
1 + 20 = 21
42 + 56 = 98
82 - 9 = 73
93 - 20 = 73