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An English teacher needs to pick 4 books to put on his reading list for the next school year. He has narrowed down his choices to 19 novels and 12 plays.
Step 1/2: How many different ways can he choose the books to put on the list?
Step 2/2: How many different ways can he choose the books to put on the list if he wants to include at least two plays?
Sagot :
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