bài 1 giải phương trình a, √(x-1)^2=4 b, √x-1 + √4(x-1) + √9(x-1)=6 Bài 2 Cho biểu thức P= ( √x-2 / √x+2 - √x+2/ √x-2) * ( 1+2 √x) với x>0 a, rút gọn biểu thức P b, tính giá trị của P khi x=16 c, tìm giá trị của x để P>0

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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.

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

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