1 1-6 The mathematical problems that can be solved can mainly be guided by concrete examples.

For example:

1, my brother is 1 1 years old this year, and my brother is 6 years old. How old is my brother?

2. My brother has 1 1 books, and my brother has 6 books. How many books does my brother have than my brother?

3. Book A sells 1 1 yuan, and book B sells in 6 yuan. How much is A more expensive than B?