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
80 - 32 = 48
90 - 13 = 77
93 - 77 = 16
51 - 4 = 47
85 - 76 = 9
52 - 18 = 34
3 + 10 = 13
5 + 8 = 13