42 减法 20 等于多少?
42 - 20 = 22
42减法20 等于 22
竖式演算
验算
- 用加法验算:22 + 20 = 42
相关题目
42 - 19 = 23
42 - 21 = 21
42 - 22 = 20
42 - 18 = 24
42 - 23 = 19
42 - 17 = 25
42 - 24 = 18
42 - 16 = 26
41 - 20 = 21
43 - 20 = 23
40 - 20 = 20
44 - 20 = 24
39 - 20 = 19
45 - 20 = 25
38 - 20 = 18
46 - 20 = 26
23 - 1 = 22
24 - 2 = 22
25 - 3 = 22
26 - 4 = 22
27 - 5 = 22
28 - 6 = 22
86 - 70 = 16
72 - 32 = 40
76 - 35 = 41
68 - 12 = 56
68 - 4 = 64
60 - 60 = 0
3 + 19 = 22
12 + 10 = 22