1.

There are two works each of 3 volumes and two works each of 2 volumes ; In how many ways can the 10 books be placed on a shelf so that the volumes of the same work are not separated?

Answer»

There are two works each of 3 volumes and two works each of 2 volumes ; In how many ways can the 10 books be placed on a shelf so that the volumes of the same work are not separated?



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