30 减法 17 等于多少?
30 - 17 = 13
30减法17 等于 13
竖式演算
验算
- 用加法验算:13 + 17 = 30
相关题目
30 - 16 = 14
30 - 18 = 12
30 - 15 = 15
30 - 19 = 11
30 - 20 = 10
30 - 14 = 16
30 - 21 = 9
30 - 13 = 17
29 - 17 = 12
31 - 17 = 14
28 - 17 = 11
32 - 17 = 15
27 - 17 = 10
33 - 17 = 16
26 - 17 = 9
34 - 17 = 17
14 - 1 = 13
15 - 2 = 13
16 - 3 = 13
17 - 4 = 13
18 - 5 = 13
19 - 6 = 13
92 - 14 = 78
66 - 47 = 19
62 - 44 = 18
50 - 19 = 31
96 - 28 = 68
65 - 9 = 56
1 + 12 = 13
13 × 1 = 13