2 điện trở R1=R2=25ôm được mắc vào 2 điểm AB. Tính Rtđ của đoạn mạch AB khi R1nối tiếp R2 , Rtđ lớn hơn hay nhỏ hơn mỗi điện trở thành phần,tính Rtđ khi R1 song song với R2

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.