38 加法 12 等于多少?
38 + 12 = 50
38加法12 等于 50
竖式演算
验算
- 用减法验算:50 − 12 = 38
- 用减法验算:50 − 38 = 12
相关题目
38 + 11 = 49
38 + 13 = 51
38 + 10 = 48
38 + 14 = 52
38 + 15 = 53
38 + 9 = 47
38 + 16 = 54
38 + 8 = 46
37 + 12 = 49
39 + 12 = 51
40 + 12 = 52
36 + 12 = 48
41 + 12 = 53
35 + 12 = 47
42 + 12 = 54
34 + 12 = 46
1 + 49 = 50
2 + 48 = 50
3 + 47 = 50
4 + 46 = 50
5 + 45 = 50
6 + 44 = 50
27 + 4 = 31
2 + 38 = 40
43 + 38 = 81
56 + 28 = 84
72 + 36 = 108
73 - 23 = 50
1 × 50 = 50
54 - 4 = 50