The user wants me to analyze the content of the image which contains mathematical expressions.

Индивидуальная работа

1 вариант

1. \( (x + y)^2 \)
2. \( (-a - b)^2 \)
3. \( (a - b)^2 \)
4. \( (2c + 3d)^2 \)
5. \( (2a - 3)^2 \)
6. \( 69^2 \)
7. \( (7 - b)^2 \)
8. \( (y + 9)^2 \)
9. \( 12ab + (6a - b)^2 \)
10. \( 102^2 \)
11. \( (3a - b)^2 - 9a^2 \)
12. \( \left( 5a + \frac{1}{5}b \right)^2 \)
13. \( (x^2 + 4)^2 \)
14. \( (2a - a^3)^2 \)
15. \( (a^3 + 4)^2 \)
16. \( 2,01^2 \)
17. \( 1,02^2 \)
18. \( (a^3 - b^3)^3 \)
19. \( (2 - c)^3 \)
20. \( (x^4 - 9x)^2 \)

Вариант 4

21. \( (c + 4)^2 \)