15 减法 3 等于多少?
15 - 3 = 12
15减法3 等于 12
竖式演算
验算
- 用加法验算:12 + 3 = 15
相关题目
15 - 2 = 13
15 - 4 = 11
15 - 1 = 14
15 - 5 = 10
15 - 6 = 9
15 - 7 = 8
15 - 8 = 7
15 - 9 = 6
14 - 3 = 11
16 - 3 = 13
13 - 3 = 10
17 - 3 = 14
12 - 3 = 9
18 - 3 = 15
19 - 3 = 16
11 - 3 = 8
13 - 1 = 12
14 - 2 = 12
16 - 4 = 12
17 - 5 = 12
18 - 6 = 12
19 - 7 = 12
25 - 5 = 20
58 - 22 = 36
64 - 54 = 10
43 - 40 = 3
52 - 51 = 1
90 - 10 = 80
8 + 4 = 12
12 × 1 = 12