20 加法 33 等于多少?
20 + 33 = 53
20加法33 等于 53
竖式演算
验算
- 用减法验算:53 − 33 = 20
- 用减法验算:53 − 20 = 33
相关题目
20 + 32 = 52
20 + 34 = 54
20 + 31 = 51
20 + 35 = 55
20 + 30 = 50
20 + 36 = 56
20 + 29 = 49
20 + 37 = 57
19 + 33 = 52
21 + 33 = 54
22 + 33 = 55
18 + 33 = 51
23 + 33 = 56
17 + 33 = 50
24 + 33 = 57
16 + 33 = 49
1 + 52 = 53
2 + 51 = 53
3 + 50 = 53
4 + 49 = 53
5 + 48 = 53
6 + 47 = 53
43 + 35 = 78
44 + 10 = 54
10 + 75 = 85
10 + 47 = 57
54 + 35 = 89
46 + 43 = 89
55 - 2 = 53
73 - 20 = 53