2 加法 12 等于多少?
2 + 12 = 14
2加法12 等于 14
竖式演算
验算
- 用减法验算:14 − 12 = 2
- 用减法验算:14 − 2 = 12
相关题目
2 + 11 = 13
2 + 13 = 15
2 + 10 = 12
2 + 14 = 16
2 + 15 = 17
2 + 9 = 11
2 + 16 = 18
2 + 8 = 10
1 + 12 = 13
3 + 12 = 15
4 + 12 = 16
5 + 12 = 17
6 + 12 = 18
7 + 12 = 19
8 + 12 = 20
9 + 12 = 21
1 + 13 = 14
3 + 11 = 14
4 + 10 = 14
5 + 9 = 14
6 + 8 = 14
7 + 7 = 14
8 + 30 = 38
18 + 70 = 88
33 + 65 = 98
55 + 12 = 67
34 + 60 = 94
42 + 37 = 79
76 - 62 = 14
33 - 19 = 14