<span>a)(x²-3y)²=x^4-6x^2y+9y^2
б)</span><span>(2а²+⅓b³)²=4a^4+(4/3)(a^2)(b^3)+(1/9)b^6
в)</span><span>(x²-2y)(x²+2y)=x^4-4y^2
г)</span><span>(3x-y)(y+3x)=9x^2-y^2</span>
1) countries
2) wolves
4) men
5) women
6) sheep
7) mice
9) fish
10) children
Ответ:
2. Are there any eggs? Yes, there are.
3. Is there any butter? Yes, there is.
4. Are there any tomatoes? No, there aren`t.
5. Is there any milk? Yes, there is.
6. Are there any oranges? No, there aren`t.
7. Is there any meat? Yes, there is.
Объяснение:
2. emails are sent
3. the grass is cut
4. chocolate is preferred
5. cars are stolen often
6. loud music is played
7. English is spoken here
8. the London parks are loved
9. staff is wanted
10. articles are written