13 加法 40 等于多少？
13 + 40 = 53
13加法40 等于 53
竖式演算
验算
- 用减法验算：53 − 40 = 13
- 用减法验算：53 − 13 = 40
相关题目
13 + 39 = 52
13 + 41 = 54
13 + 38 = 51
13 + 42 = 55
13 + 37 = 50
13 + 43 = 56
13 + 44 = 57
13 + 36 = 49
12 + 40 = 52
14 + 40 = 54
11 + 40 = 51
15 + 40 = 55
10 + 40 = 50
16 + 40 = 56
17 + 40 = 57
9 + 40 = 49
1 + 52 = 53
2 + 51 = 53
3 + 50 = 53
4 + 49 = 53
5 + 48 = 53
6 + 47 = 53
12 + 85 = 97
11 + 5 = 16
16 + 53 = 69
42 + 57 = 99
60 + 36 = 96
62 + 26 = 88
84 - 31 = 53
97 - 44 = 53