Nhìu thiệt á, tách bớt ra đi nhé!

friendly

happy

meeting

impress

widely

Do you use solar energy in your home?

People won't use flying cars until the year 2050

We must always obey the traffic rules for our safety 

The major cause of death for children living in the slums is malnutrition

Solar panels will be installed on the roof of our house next week

Veronica is a good friend of mine

Pollution is the most serious problem

\(\Rightarrow\left[{}\begin{matrix}\dfrac{2}{3}-x=3\sqrt{3}\\\dfrac{2}{3}-x=-3\sqrt{3}\end{matrix}\right.\)\(\Rightarrow\left[{}\begin{matrix}x=\dfrac{2-9\sqrt{3}}{3}\\x=\dfrac{2+9\sqrt{3}}{3}\end{matrix}\right.\)

1C 2D 3C 4C 5C 6D 7A 8A 9D 10D 11C 12C 13D 14A 15A

Các bạn ơi giúp mik đi, mik chỉ còn 15 phút thôi là mik phải nộp bài, các bn giúp mik nha