15 加法 65 等于多少？
15 + 65 = 80
15加法65 等于 80
竖式演算
验算
- 用减法验算：80 − 65 = 15
- 用减法验算：80 − 15 = 65
相关题目
15 + 64 = 79
15 + 66 = 81
15 + 67 = 82
15 + 63 = 78
15 + 68 = 83
15 + 62 = 77
15 + 69 = 84
15 + 61 = 76
14 + 65 = 79
16 + 65 = 81
13 + 65 = 78
17 + 65 = 82
12 + 65 = 77
18 + 65 = 83
11 + 65 = 76
19 + 65 = 84
1 + 79 = 80
2 + 78 = 80
3 + 77 = 80
4 + 76 = 80
5 + 75 = 80
6 + 74 = 80
8 + 25 = 33
83 + 30 = 113
28 + 66 = 94
96 + 33 = 129
18 + 74 = 92
54 + 73 = 127
2 × 40 = 80
91 - 11 = 80