1) (√2-√1)√2+√2-1 2) (√2-1)(√2+1) 3) (√7+√3)(√7-3) 4) (2+√3)(2-√3) 5) √(1-√2)²+√(1+√2)² 6) √4+2√3+√4-2√3+√4-2√3 7) √7+2√10+√7-2√10 8) 3√2+√8-√50 9) √5+√20+√45 10) 4√2+√18-√50

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.