4 加法 3 等于多少？
4 + 3 = 7
4加法3 等于 7
竖式演算
验算
- 用减法验算：7 − 3 = 4
- 用减法验算：7 − 4 = 3
相关题目
4 + 2 = 6
4 + 4 = 8
4 + 1 = 5
4 + 5 = 9
4 + 6 = 10
4 + 7 = 11
4 + 8 = 12
4 + 9 = 13
3 + 3 = 6
5 + 3 = 8
2 + 3 = 5
6 + 3 = 9
1 + 3 = 4
7 + 3 = 10
8 + 3 = 11
9 + 3 = 12
1 + 6 = 7
2 + 5 = 7
3 + 4 = 7
5 + 2 = 7
6 + 1 = 7
36 + 11 = 47
30 + 24 = 54
20 + 2 = 22
20 + 76 = 96
35 + 50 = 85
30 + 14 = 44
50 - 43 = 7
37 - 30 = 7
30 - 23 = 7