cho R1 nối tiếp với R2 thì cường độ dòng điện toàn mạch là 0,2A nếu mắc R1 song song R2 thì cường độ dòng điện toang mạch là 0,8A tìm R1 và R2 ? giúp mình ạ ... mình đang cần gấp

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.