30 加法 38 等于多少？
30 + 38 = 68
30加法38 等于 68
竖式演算
验算
- 用减法验算：68 − 38 = 30
- 用减法验算：68 − 30 = 38
相关题目
30 + 37 = 67
30 + 39 = 69
30 + 40 = 70
30 + 36 = 66
30 + 41 = 71
30 + 35 = 65
30 + 42 = 72
30 + 34 = 64
29 + 38 = 67
31 + 38 = 69
28 + 38 = 66
32 + 38 = 70
33 + 38 = 71
27 + 38 = 65
34 + 38 = 72
26 + 38 = 64
1 + 67 = 68
2 + 66 = 68
3 + 65 = 68
4 + 64 = 68
5 + 63 = 68
6 + 62 = 68
74 + 23 = 97
8 + 71 = 79
21 + 31 = 52
87 + 12 = 99
42 + 52 = 94
80 + 19 = 99
2 × 34 = 68
91 - 23 = 68