45 加法 31 等于多少？
45 + 31 = 76
45加法31 等于 76
竖式演算
验算
- 用减法验算：76 − 31 = 45
- 用减法验算：76 − 45 = 31
相关题目
45 + 30 = 75
45 + 32 = 77
45 + 29 = 74
45 + 33 = 78
45 + 28 = 73
45 + 34 = 79
45 + 35 = 80
45 + 27 = 72
44 + 31 = 75
46 + 31 = 77
47 + 31 = 78
43 + 31 = 74
48 + 31 = 79
42 + 31 = 73
49 + 31 = 80
41 + 31 = 72
1 + 75 = 76
2 + 74 = 76
3 + 73 = 76
4 + 72 = 76
5 + 71 = 76
6 + 70 = 76
1 + 1 = 2
35 + 42 = 77
26 + 52 = 78
32 + 33 = 65
20 + 11 = 31
21 + 7 = 28
84 - 8 = 76
87 - 11 = 76