33 减法 21 等于多少?
33 - 21 = 12
33减法21 等于 12
竖式演算
验算
- 用加法验算:12 + 21 = 33
相关题目
33 - 20 = 13
33 - 22 = 11
33 - 19 = 14
33 - 23 = 10
33 - 24 = 9
33 - 18 = 15
33 - 25 = 8
33 - 17 = 16
32 - 21 = 11
34 - 21 = 13
31 - 21 = 10
35 - 21 = 14
30 - 21 = 9
36 - 21 = 15
37 - 21 = 16
29 - 21 = 8
13 - 1 = 12
14 - 2 = 12
15 - 3 = 12
16 - 4 = 12
17 - 5 = 12
18 - 6 = 12
59 - 50 = 9
79 - 22 = 57
24 - 24 = 0
74 - 73 = 1
67 - 67 = 0
34 - 22 = 12
1 × 12 = 12
10 + 2 = 12