Solution: This is a math problem in primary school, which mainly involves multiplication and subtraction. Page x is just an imaginary number. If you look at X pages in one day, you will look at 7x pages in seven days, and the rest will be subtracted from the total number of pages.

the benefits of reading

1, enhance personal temperament: I believe many friends have heard of the saying that there are poems in the belly, which means that if you read more books, your temperament will naturally improve and your mental outlook will become confident and generous.

2. Make friends with books: people who love reading can use books as a medium to make friends. People who like similar books can communicate deeply, make more friends and make their lives more colorful.

3. Appreciate a different life: Reading a book is like communicating with the author face to face, feeling a different life and enriching your emotions.