48 加法 31 等于多少？
48 + 31 = 79
48加法31 等于 79
竖式演算
验算
- 用减法验算：79 − 31 = 48
- 用减法验算：79 − 48 = 31
相关题目
48 + 30 = 78
48 + 32 = 80
48 + 29 = 77
48 + 33 = 81
48 + 28 = 76
48 + 34 = 82
48 + 35 = 83
48 + 27 = 75
47 + 31 = 78
49 + 31 = 80
46 + 31 = 77
50 + 31 = 81
51 + 31 = 82
45 + 31 = 76
52 + 31 = 83
44 + 31 = 75
1 + 78 = 79
2 + 77 = 79
3 + 76 = 79
4 + 75 = 79
5 + 74 = 79
6 + 73 = 79
22 + 32 = 54
44 + 25 = 69
81 + 12 = 93
16 + 13 = 29
11 + 15 = 26
15 + 11 = 26
91 - 12 = 79
86 - 7 = 79