12 减法 3 等于多少？
12 - 3 = 9
12减法3 等于 9
竖式演算
验算
- 用加法验算：9 + 3 = 12
相关题目
12 - 2 = 10
12 - 4 = 8
12 - 1 = 11
12 - 5 = 7
12 - 6 = 6
12 - 7 = 5
12 - 8 = 4
12 - 9 = 3
13 - 3 = 10
11 - 3 = 8
14 - 3 = 11
10 - 3 = 7
15 - 3 = 12
9 - 3 = 6
16 - 3 = 13
8 - 3 = 5
10 - 1 = 9
11 - 2 = 9
13 - 4 = 9
14 - 5 = 9
15 - 6 = 9
16 - 7 = 9
30 - 1 = 29
77 - 28 = 49
82 - 75 = 7
91 - 72 = 19
71 - 37 = 34
93 - 35 = 58
8 + 1 = 9
9 × 1 = 9