15 加法 71 等于多少？
15 + 71 = 86
15加法71 等于 86
竖式演算
验算
- 用减法验算：86 − 71 = 15
- 用减法验算：86 − 15 = 71
相关题目
15 + 70 = 85
15 + 72 = 87
15 + 69 = 84
15 + 73 = 88
15 + 74 = 89
15 + 68 = 83
15 + 75 = 90
15 + 67 = 82
14 + 71 = 85
16 + 71 = 87
13 + 71 = 84
17 + 71 = 88
12 + 71 = 83
18 + 71 = 89
11 + 71 = 82
19 + 71 = 90
1 + 85 = 86
2 + 84 = 86
3 + 83 = 86
4 + 82 = 86
5 + 81 = 86
6 + 80 = 86
51 + 15 = 66
25 + 21 = 46
11 + 78 = 89
21 + 11 = 32
23 + 30 = 53
24 + 61 = 85
89 - 3 = 86
94 - 8 = 86