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
33 + 34 = 67
86 + 10 = 96
10 + 26 = 36
53 + 6 = 59
50 + 19 = 69
40 + 52 = 92
1 × 79 = 79
88 - 9 = 79