Cường độ dòng điện: I = I1 + I2
Hiệu điện thế: U = U1 = U2
U=U1=U2 HAY U= I.R
I= I1+I2 HAY I=U/R
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.
We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.