38 加法 30 等于多少？
38 + 30 = 68
38加法30 等于 68
竖式演算
验算
- 用减法验算：68 − 30 = 38
- 用减法验算：68 − 38 = 30
相关题目
38 + 29 = 67
38 + 31 = 69
38 + 28 = 66
38 + 32 = 70
38 + 33 = 71
38 + 27 = 65
38 + 34 = 72
38 + 26 = 64
37 + 30 = 67
39 + 30 = 69
40 + 30 = 70
36 + 30 = 66
41 + 30 = 71
35 + 30 = 65
42 + 30 = 72
34 + 30 = 64
1 + 67 = 68
2 + 66 = 68
3 + 65 = 68
4 + 64 = 68
5 + 63 = 68
6 + 62 = 68
26 + 61 = 87
18 + 20 = 38
2 + 80 = 82
23 + 64 = 87
21 + 75 = 96
10 + 56 = 66
69 - 1 = 68
34 × 2 = 68