72 加法 12 等于多少？
72 + 12 = 84
72加法12 等于 84
竖式演算
验算
- 用减法验算：84 − 12 = 72
- 用减法验算：84 − 72 = 12
相关题目
72 + 11 = 83
72 + 13 = 85
72 + 10 = 82
72 + 14 = 86
72 + 15 = 87
72 + 9 = 81
72 + 16 = 88
72 + 8 = 80
71 + 12 = 83
73 + 12 = 85
74 + 12 = 86
70 + 12 = 82
75 + 12 = 87
69 + 12 = 81
76 + 12 = 88
68 + 12 = 80
1 + 83 = 84
2 + 82 = 84
3 + 81 = 84
4 + 80 = 84
5 + 79 = 84
6 + 78 = 84
96 + 3 = 99
21 + 4 = 25
10 + 20 = 30
53 + 23 = 76
51 + 3 = 54
33 + 36 = 69
2 × 42 = 84
6 × 14 = 84