viết pt đường thẳng d biết a, d đi qua góc tọa độ và điểm $M$ thuộc $(P): y=2x^2$ có hoành độ là $\frac{1}{2}$ b, d vuông góc với $d': x-3y+1=0$ và tiếp xúc với $(P): y= \frac{x^{2}}{2}$

Choose the best answer.

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.

Choose the best answer.

We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

Choose the best answer.

I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.