Cho tam giác ABC cân tại A, lấy D làm trung điểm BC, kẻ DH vuông góc AB; DK vuông góc AC. a. Chứng minh rằng tam giácBHD = tg CKD . b. Trên tia đối của tia DK lấy điểm E sao cho DE = DK . Chứng minh rằng góc BED =90độ c. Chứng minh rằng: BE < CD Câu a đc r

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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.