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
100 + 88 = 188
7 + 91 = 98
1 + 1 = 2
72 + 14 = 86
31 + 66 = 97
65 + 12 = 77
5 × 17 = 85
87 - 2 = 85