41 加法 31 等于多少？
41 + 31 = 72
41加法31 等于 72
竖式演算
验算
- 用减法验算：72 − 31 = 41
- 用减法验算：72 − 41 = 31
相关题目
41 + 30 = 71
41 + 32 = 73
41 + 29 = 70
41 + 33 = 74
41 + 28 = 69
41 + 34 = 75
41 + 35 = 76
41 + 27 = 68
40 + 31 = 71
42 + 31 = 73
39 + 31 = 70
43 + 31 = 74
38 + 31 = 69
44 + 31 = 75
37 + 31 = 68
45 + 31 = 76
1 + 71 = 72
2 + 70 = 72
3 + 69 = 72
4 + 68 = 72
5 + 67 = 72
6 + 66 = 72
47 + 22 = 69
85 + 100 = 185
100 + 77 = 177
20 + 15 = 35
10 + 47 = 57
10 + 58 = 68
85 - 13 = 72
93 - 21 = 72