27 减法 21 等于多少?
27 - 21 = 6
27减法21 等于 6
竖式演算
验算
- 用加法验算:6 + 21 = 27
相关题目
27 - 20 = 7
27 - 22 = 5
27 - 19 = 8
27 - 23 = 4
27 - 24 = 3
27 - 18 = 9
27 - 25 = 2
27 - 17 = 10
26 - 21 = 5
28 - 21 = 7
25 - 21 = 4
29 - 21 = 8
24 - 21 = 3
30 - 21 = 9
31 - 21 = 10
23 - 21 = 2
7 - 1 = 6
8 - 2 = 6
9 - 3 = 6
10 - 4 = 6
11 - 5 = 6
12 - 6 = 6
13 - 13 = 0
54 - 2 = 52
89 - 75 = 14
99 - 41 = 58
19 - 7 = 12
93 - 71 = 22
3 × 2 = 6
2 + 4 = 6