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September 1, 2015

Homework Help: Maths(permutation)

Posted by Nada on Tuesday, May 8, 2012 at 9:14am.

A teacher prepares 5 different books for 7 students.If each student can get one or no book from the teacher , find the number of ways of distributing the books among the students.

can u explain it to me detailly.i have thought about this question for serveral hours but i still cant get the answer

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