2 加法 72 等于多少？
2 + 72 = 74
2加法72 等于 74
竖式演算
验算
- 用减法验算：74 − 72 = 2
- 用减法验算：74 − 2 = 72
相关题目
2 + 71 = 73
2 + 73 = 75
2 + 74 = 76
2 + 70 = 72
2 + 75 = 77
2 + 69 = 71
2 + 76 = 78
2 + 68 = 70
1 + 72 = 73
3 + 72 = 75
4 + 72 = 76
5 + 72 = 77
6 + 72 = 78
7 + 72 = 79
8 + 72 = 80
9 + 72 = 81
1 + 73 = 74
3 + 71 = 74
4 + 70 = 74
5 + 69 = 74
6 + 68 = 74
7 + 67 = 74
21 + 76 = 97
34 + 34 = 68
1 + 77 = 78
19 + 20 = 39
20 + 11 = 31
33 + 23 = 56
97 - 23 = 74
78 - 4 = 74