1) trục căn thức ở mẫu a) 7/2 căn a (a lớn hơn bằng 0) b) 3/ căn 10- căn 7 c) 1/ căn x + căn y (x, y >0) 2)rút gọn các biểu thức a) căn 12+3 căn 3 - căn 27 b)căn 4x-5 căn 9x+ căn x (x lớn hơn bằng 0) 3)so sánh a) 3 căn 5 và căn 35 b) 8 và 7 căn 3

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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.