15 加法 70 等于多少？
15 + 70 = 85
15加法70 等于 85
竖式演算
验算
- 用减法验算：85 − 70 = 15
- 用减法验算：85 − 15 = 70
相关题目
15 + 69 = 84
15 + 71 = 86
15 + 68 = 83
15 + 72 = 87
15 + 67 = 82
15 + 73 = 88
15 + 74 = 89
15 + 66 = 81
14 + 70 = 84
16 + 70 = 86
13 + 70 = 83
17 + 70 = 87
12 + 70 = 82
18 + 70 = 88
11 + 70 = 81
19 + 70 = 89
1 + 84 = 85
2 + 83 = 85
3 + 82 = 85
4 + 81 = 85
5 + 80 = 85
6 + 79 = 85
6 + 30 = 36
10 + 26 = 36
21 + 5 = 26
72 + 22 = 94
55 + 20 = 75
52 + 26 = 78
100 - 15 = 85
88 - 3 = 85