Question

Задача со схемой. У лены было А книг, Ей подарили сначала b книг, а потом еще С книг. Три книги Лена дала почитать Фёдору. Сколько книг осталось у Лены.

Answer 1

 К тому, что было (А) , прибавляем то, что добавилось (b+c), и отнимаем то, что "ушло" (3  книги) - получаем то, что осталось.
 
Осталось А+b+c-3.

Answer 2

Task Analysis

To solve this problem, we need to determine the number of books Lena had initially, the number of books she received as gifts, the number of books she gave to Fyodor, and finally, calculate the number of books remaining with Lena.

Given Information

- Lena initially had A books. - She received B books as the first gift and C books as the second gift. - Lena gave 3 books to Fyodor.

Solution

1. Calculate the total number of books received by Lena: A + B + C. 2. Subtract the books given to Fyodor from the total to find the number of books remaining: (A + B + C) - 3.

Calculation

1. Total number of books received by Lena: A + B + C. 2. Number of books remaining with Lena: (A + B + C) - 3.

Result

Lena has (A + B + C) - 3 books remaining.

Final Answer

Lena has (A + B + C) - 3 books remaining.