Cho đường tròn (O, R), đường kinh AB, dây cung AC .Các tiếp tuyến đường Tròn tại B và C căts nhau tại D .a, DO //AC. b, Biết góc BAC = 30 độ, R =2cm. Tính BD, CD

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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.