75 加法 15 等于多少？
75 + 15 = 90
75加法15 等于 90
竖式演算
验算
- 用减法验算：90 − 15 = 75
- 用减法验算：90 − 75 = 15
相关题目
75 + 14 = 89
75 + 16 = 91
75 + 13 = 88
75 + 17 = 92
75 + 12 = 87
75 + 18 = 93
75 + 11 = 86
75 + 19 = 94
74 + 15 = 89
76 + 15 = 91
73 + 15 = 88
77 + 15 = 92
78 + 15 = 93
72 + 15 = 87
79 + 15 = 94
71 + 15 = 86
1 + 89 = 90
2 + 88 = 90
3 + 87 = 90
4 + 86 = 90
5 + 85 = 90
6 + 84 = 90
82 + 21 = 103
34 + 84 = 118
13 + 8 = 21
17 + 77 = 94
62 + 76 = 138
14 + 76 = 90
18 × 5 = 90
94 - 4 = 90