31 加法 48 等于多少？
31 + 48 = 79
31加法48 等于 79
竖式演算
验算
- 用减法验算：79 − 48 = 31
- 用减法验算：79 − 31 = 48
相关题目
31 + 47 = 78
31 + 49 = 80
31 + 46 = 77
31 + 50 = 81
31 + 51 = 82
31 + 45 = 76
31 + 52 = 83
31 + 44 = 75
30 + 48 = 78
32 + 48 = 80
29 + 48 = 77
33 + 48 = 81
28 + 48 = 76
34 + 48 = 82
35 + 48 = 83
27 + 48 = 75
1 + 78 = 79
2 + 77 = 79
3 + 76 = 79
4 + 75 = 79
5 + 74 = 79
6 + 73 = 79
37 + 50 = 87
21 + 73 = 94
11 + 51 = 62
64 + 12 = 76
40 + 18 = 58
20 + 30 = 50
88 - 9 = 79
89 - 10 = 79