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Quantity A
The number of different groups of 2 kittens that can be chosen from a litter of 8 kittens
Quantity B
The number of different groups of 6 puppies that can be chosen from a litter of 8 puppies
C显示答案
· 相关考点
6.3.5 组合
6.3.5 组合
以上解析由 考满分老师提供。
