75 加法 9 等于多少？
75 + 9 = 84
75加法9 等于 84
竖式演算
验算
- 用减法验算：84 − 9 = 75
- 用减法验算：84 − 75 = 9
相关题目
75 + 8 = 83
75 + 10 = 85
75 + 11 = 86
75 + 7 = 82
75 + 12 = 87
75 + 6 = 81
75 + 13 = 88
75 + 5 = 80
74 + 9 = 83
76 + 9 = 85
73 + 9 = 82
77 + 9 = 86
78 + 9 = 87
72 + 9 = 81
79 + 9 = 88
71 + 9 = 80
1 + 83 = 84
2 + 82 = 84
3 + 81 = 84
4 + 80 = 84
5 + 79 = 84
6 + 78 = 84
74 + 31 = 105
47 + 3 = 50
17 + 64 = 81
28 + 65 = 93
57 + 33 = 90
80 + 20 = 100
7 × 12 = 84
28 × 3 = 84