17 加法 61 等于多少？
17 + 61 = 78
17加法61 等于 78
竖式演算
验算
- 用减法验算：78 − 61 = 17
- 用减法验算：78 − 17 = 61
相关题目
17 + 60 = 77
17 + 62 = 79
17 + 59 = 76
17 + 63 = 80
17 + 58 = 75
17 + 64 = 81
17 + 65 = 82
17 + 57 = 74
16 + 61 = 77
18 + 61 = 79
15 + 61 = 76
19 + 61 = 80
20 + 61 = 81
14 + 61 = 75
21 + 61 = 82
13 + 61 = 74
1 + 77 = 78
2 + 76 = 78
3 + 75 = 78
4 + 74 = 78
5 + 73 = 78
6 + 72 = 78
1 + 64 = 65
100 + 70 = 170
2 + 40 = 42
100 + 88 = 188
5 + 10 = 15
45 + 41 = 86
2 × 39 = 78
39 × 2 = 78