42 减法 30 等于多少?
42 - 30 = 12
42减法30 等于 12
竖式演算
验算
- 用加法验算:12 + 30 = 42
相关题目
42 - 29 = 13
42 - 31 = 11
42 - 28 = 14
42 - 32 = 10
42 - 33 = 9
42 - 27 = 15
42 - 34 = 8
42 - 26 = 16
41 - 30 = 11
43 - 30 = 13
40 - 30 = 10
44 - 30 = 14
39 - 30 = 9
45 - 30 = 15
46 - 30 = 16
38 - 30 = 8
13 - 1 = 12
14 - 2 = 12
15 - 3 = 12
16 - 4 = 12
17 - 5 = 12
18 - 6 = 12
33 - 2 = 31
35 - 24 = 11
84 - 64 = 20
87 - 40 = 47
98 - 26 = 72
78 - 30 = 48
9 + 3 = 12
6 × 2 = 12