53 加法 20 等于多少？
53 + 20 = 73
53加法20 等于 73
竖式演算
验算
- 用减法验算：73 − 20 = 53
- 用减法验算：73 − 53 = 20
相关题目
53 + 19 = 72
53 + 21 = 74
53 + 22 = 75
53 + 18 = 71
53 + 23 = 76
53 + 17 = 70
53 + 24 = 77
53 + 16 = 69
52 + 20 = 72
54 + 20 = 74
51 + 20 = 71
55 + 20 = 75
56 + 20 = 76
50 + 20 = 70
57 + 20 = 77
49 + 20 = 69
1 + 72 = 73
2 + 71 = 73
3 + 70 = 73
4 + 69 = 73
5 + 68 = 73
6 + 67 = 73
53 + 45 = 98
4 + 32 = 36
26 + 41 = 67
51 + 33 = 84
21 + 63 = 84
1 + 30 = 31
93 - 20 = 73
98 - 25 = 73