87 减法 83 等于多少？
87 - 83 = 4
87减法83 等于 4
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验算
- 用加法验算：4 + 83 = 87
相关题目
87 - 82 = 5
87 - 84 = 3
87 - 85 = 2
87 - 81 = 6
87 - 86 = 1
87 - 80 = 7
87 - 87 = 0
87 - 79 = 8
86 - 83 = 3
88 - 83 = 5
85 - 83 = 2
89 - 83 = 6
84 - 83 = 1
90 - 83 = 7
83 - 83 = 0
91 - 83 = 8
5 - 1 = 4
6 - 2 = 4
7 - 3 = 4
8 - 4 = 4
9 - 5 = 4
10 - 6 = 4
78 - 2 = 76
86 - 66 = 20
89 - 5 = 84
69 - 55 = 14
86 - 86 = 0
27 - 6 = 21
3 + 1 = 4
1 + 3 = 4