10 加法 40 等于多少？
10 + 40 = 50
10加法40 等于 50
竖式演算
验算
- 用减法验算：50 − 40 = 10
- 用减法验算：50 − 10 = 40
相关题目
10 + 39 = 49
10 + 41 = 51
10 + 38 = 48
10 + 42 = 52
10 + 37 = 47
10 + 43 = 53
10 + 44 = 54
10 + 36 = 46
11 + 40 = 51
9 + 40 = 49
12 + 40 = 52
8 + 40 = 48
13 + 40 = 53
7 + 40 = 47
14 + 40 = 54
6 + 40 = 46
1 + 49 = 50
2 + 48 = 50
3 + 47 = 50
4 + 46 = 50
5 + 45 = 50
6 + 44 = 50
11 + 27 = 38
45 + 53 = 98
50 + 1 = 51
52 + 47 = 99
44 + 13 = 57
2 + 16 = 18
62 - 12 = 50
10 × 5 = 50