anh là 21 tuổi

em là 12 tuổi

tick mình nha !

1. look up the board!

2. get the book out!

3. take the book away

4. do not go to school late

5.Turn off the lights before going to sleep

6. not running

7. Do not step on the grass

8. do homework carefully

9. Do not eat too much candy

10. hear and connect

11. Answer the following questions

Turn off the lights before asking

13. Do not eat too fast

14. does not swim in the pond

15. Do not drive cars too fast

mik ko chắc

\(\Delta'=m^2-2m+1+m>0\)với mọi m

\(\int^{x1+x2=2\left(m-1\right)}_{x1.x2=-m}\)

\(\int^{y1+y2=\frac{\left(x1+x2\right)\left(x1x2+1\right)}{x1x2}=S}_{y1.y2=.....=P}\Leftrightarrow pt:X^2-SX+P=0\)

Nhớ tick mik đấy

I would like orange juice and ice tea

I smell the noodles at a store

Do you like orange or bananas?

Nhớ tick mink đấy nha

She hears the noise of the students

Mr. Huy wants some ice-cream

I want to drink some soft drinks

x=9            y=0

trời đất!

My name is Dung