Cho x^2 - mx + m - 1 = 0 A) cm pt đã luôn có 2 nghiệm x1 và x2 với mọi m B) cho B = 2x1x2+3 / x1^2 + x2^2 + 2(1+x1x2) Tìm giá trị m để B =1

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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.