Tìm $x, y, z$ biết: $\sqrt[]{x-a}+\sqrt{y-b}+\sqrt{z-c}$ $=$ $\frac{1}{2} (x+y+z)$ trong đó $a+b+c=3$ *Không sử dụng BĐT Cosi, chỉ sử dụng nội dung kiến thức lớp 9 HK 1

Choose the best answer.

I think you should buy _____  pack of mineral water instead. And you can also buy _____  snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______  cookies and soft candies.

Choose the best answer.

We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

Choose the best answer.

I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.