Cho 2 điện trở r1=10 ôm, r2=8 ôm mắc nối tiếp vs nhau vào hiệu ddiienj thế u=12v a, Tính r tương đương b, Tính hđt tương đương của đoạn mạch c, Mắc r3 song song vs r1 và r2 thì i =0,6A. tính r3

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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.