45 减法 42 等于多少？
45 - 42 = 3
45减法42 等于 3
竖式演算
验算
- 用加法验算：3 + 42 = 45
相关题目
45 - 41 = 4
45 - 43 = 2
45 - 40 = 5
45 - 44 = 1
45 - 39 = 6
45 - 45 = 0
45 - 38 = 7
45 - 37 = 8
44 - 42 = 2
46 - 42 = 4
43 - 42 = 1
47 - 42 = 5
42 - 42 = 0
48 - 42 = 6
49 - 42 = 7
50 - 42 = 8
4 - 1 = 3
5 - 2 = 3
6 - 3 = 3
7 - 4 = 3
8 - 5 = 3
9 - 6 = 3
78 - 42 = 36
37 - 13 = 24
88 - 4 = 84
87 - 17 = 70
18 - 8 = 10
26 - 15 = 11
3 × 1 = 3
2 + 1 = 3