89 减法 87 等于多少？
89 - 87 = 2
89减法87 等于 2
竖式演算
验算
- 用加法验算：2 + 87 = 89
相关题目
89 - 86 = 3
89 - 88 = 1
89 - 85 = 4
89 - 89 = 0
89 - 84 = 5
89 - 83 = 6
89 - 82 = 7
89 - 81 = 8
88 - 87 = 1
90 - 87 = 3
87 - 87 = 0
91 - 87 = 4
92 - 87 = 5
93 - 87 = 6
94 - 87 = 7
95 - 87 = 8
3 - 1 = 2
4 - 2 = 2
5 - 3 = 2
6 - 4 = 2
7 - 5 = 2
8 - 6 = 2
74 - 12 = 62
59 - 29 = 30
82 - 82 = 0
98 - 90 = 8
69 - 45 = 24
98 - 55 = 43
1 + 1 = 2
1 × 2 = 2