giúp mk bài này với thực hiện phép tính √(3-2 √2) ²+ √ (3+2 √2) ² √(2-√3) ²+√(1-√3) ² √( √5- √2) ²+ √( √5+√2) ² √ (5- 2√6) ²- √ (5+2√6) ² √(3+√2) ²- √(1- √2) ² √( √2+1) ²- √(√2-5) ²

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.