10 加法 2 等于多少?
10 + 2 = 12
10加法2 等于 12
竖式演算
验算
- 用减法验算:12 − 2 = 10
- 用减法验算:12 − 10 = 2
相关题目
10 + 1 = 11
10 + 3 = 13
10 + 4 = 14
10 + 5 = 15
10 + 6 = 16
10 + 7 = 17
10 + 8 = 18
10 + 9 = 19
11 + 2 = 13
9 + 2 = 11
12 + 2 = 14
8 + 2 = 10
13 + 2 = 15
7 + 2 = 9
14 + 2 = 16
6 + 2 = 8
1 + 11 = 12
2 + 10 = 12
3 + 9 = 12
4 + 8 = 12
5 + 7 = 12
6 + 6 = 12
61 + 11 = 72
33 + 44 = 77
8 + 30 = 38
20 + 26 = 46
44 + 40 = 84
86 - 74 = 12
59 - 47 = 12
47 - 35 = 12