13 加法 39 等于多少？
13 + 39 = 52
13加法39 等于 52
竖式演算
验算
- 用减法验算：52 − 39 = 13
- 用减法验算：52 − 13 = 39
相关题目
13 + 38 = 51
13 + 40 = 53
13 + 37 = 50
13 + 41 = 54
13 + 42 = 55
13 + 36 = 49
13 + 43 = 56
13 + 35 = 48
12 + 39 = 51
14 + 39 = 53
11 + 39 = 50
15 + 39 = 54
10 + 39 = 49
16 + 39 = 55
17 + 39 = 56
9 + 39 = 48
1 + 51 = 52
2 + 50 = 52
3 + 49 = 52
4 + 48 = 52
5 + 47 = 52
6 + 46 = 52
7 + 87 = 94
79 + 18 = 97
28 + 67 = 95
25 + 91 = 116
51 + 77 = 128
44 + 46 = 90
91 - 39 = 52
69 - 17 = 52