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Graham's Catering Service currently employs three chefs and offers three different meals. For an upcoming event, the catering service must provide three meals, with each chef cooking one of the meals.
Quantity A
The number of assign?ments of chefs to meals if each chef must cook a different meal
Quantity B
The number of assign?ments of chefs to meals if each chef may cook any of the three meals
B显示答案
以上解析由 考满分老师提供。
