71 加法 2 等于多少?
71 + 2 = 73
71加法2 等于 73
竖式演算
验算
- 用减法验算:73 − 2 = 71
- 用减法验算:73 − 71 = 2
相关题目
71 + 1 = 72
71 + 3 = 74
71 + 4 = 75
71 + 5 = 76
71 + 6 = 77
71 + 7 = 78
71 + 8 = 79
71 + 9 = 80
70 + 2 = 72
72 + 2 = 74
69 + 2 = 71
73 + 2 = 75
74 + 2 = 76
68 + 2 = 70
75 + 2 = 77
67 + 2 = 69
1 + 72 = 73
2 + 71 = 73
3 + 70 = 73
4 + 69 = 73
5 + 68 = 73
6 + 67 = 73
60 + 24 = 84
52 + 27 = 79
42 + 33 = 75
31 + 5 = 36
21 + 27 = 48
14 + 63 = 77
75 - 2 = 73
84 - 11 = 73