Cho 3 số a,b,c đôi 1 khác nhau. CM: $\frac{1}{(a-b)^2}$ +$\frac{1}{(b-c)^2}$ +$\frac{1}{(c-a)^2}$ = ($\frac{1}{a-b}$ +$\frac{1}{b-c}$+$\frac{1}{c-a}$)^2

Viết một đoạn văn hoàn chỉnh về lý do học tiếng Anh bằng cách đưa ra các manh mối ( ko chép mạng nhá)

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.