How to do four small questions (1), (2) and (3) on page 47 of the Yangtze River Math homework? The school bought 12 packs of exercise books, each 12 packs, each.

To ask * * * how many exercise books to buy, we only need these three known conditions (the school bought 12 packs of exercise books, each pack of 12 packs, each pack of 6 books).

A bag of exercise books, 3 yuan. There are 6 classes in Grade Three, each with 48 students. ) These three conditions are redundant.

1. How many copies per package? 12×6=72 (Ben)

2. One * * *, how many copies. (that is, how many copies are included in the 12 package) 72× 12=864 ((copies)

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