a: Xét (O) có 

ΔABC nội tiếp

AB là đường kính

Do đó: ΔABC vuông tại C

It is common knowledge that you have to drink more fluids when you have flu

Teachers give more freedom to their students in classroom activities now

Have you ever been asked for opinion?

Dogs must be kept in the garden

The library cards will be issued soon ( by us)

29.- HAVE YOU EVER BEEN ASKED FOR YOUR OPINION?

\(n_{O_2}=\dfrac{1,6}{32}=0,05\left(mol\right)=>n_A=0,05\left(mol\right)\)

=> \(M_A=\dfrac{3}{0,05}=60\left(g/mol\right)\)

=> D

Where will you be sent by your company next year?

Who were the children looked after when you were away?

B

B

b