31 加法 45 等于多少？
31 + 45 = 76
31加法45 等于 76
竖式演算
验算
- 用减法验算：76 − 45 = 31
- 用减法验算：76 − 31 = 45
相关题目
31 + 44 = 75
31 + 46 = 77
31 + 47 = 78
31 + 43 = 74
31 + 48 = 79
31 + 42 = 73
31 + 49 = 80
31 + 41 = 72
30 + 45 = 75
32 + 45 = 77
29 + 45 = 74
33 + 45 = 78
28 + 45 = 73
34 + 45 = 79
35 + 45 = 80
27 + 45 = 72
1 + 75 = 76
2 + 74 = 76
3 + 73 = 76
4 + 72 = 76
5 + 71 = 76
6 + 70 = 76
2 + 4 = 6
47 + 11 = 58
22 + 53 = 75
3 + 66 = 69
66 + 30 = 96
32 + 61 = 93
88 - 12 = 76
90 - 14 = 76