70 加法 15 等于多少？
70 + 15 = 85
70加法15 等于 85
竖式演算
验算
- 用减法验算：85 − 15 = 70
- 用减法验算：85 − 70 = 15
相关题目
70 + 14 = 84
70 + 16 = 86
70 + 13 = 83
70 + 17 = 87
70 + 12 = 82
70 + 18 = 88
70 + 11 = 81
70 + 19 = 89
69 + 15 = 84
71 + 15 = 86
68 + 15 = 83
72 + 15 = 87
67 + 15 = 82
73 + 15 = 88
74 + 15 = 89
66 + 15 = 81
1 + 84 = 85
2 + 83 = 85
3 + 82 = 85
4 + 81 = 85
5 + 80 = 85
6 + 79 = 85
32 + 14 = 46
42 + 56 = 98
64 + 35 = 99
30 + 32 = 62
77 + 22 = 99
31 + 32 = 63
86 - 1 = 85
89 - 4 = 85