1. He is one meter 70 centimeters tall.

How………………………………?

2. That buldingis over 100 meters high.

What ……………………………..?

3. This lake is 5 meters in depth.

How …………………………..?

4. Lan is 50 kilos.

What …………………………….?

5. The blue dress is 150 thousand dong.

How ………………………………..?

6. This street is five kilometers long.

What …………………………………………………?

7. It is about five kilometers from my house to the bus stop.

How……………………………………………………..?

8. These packets are3 kilos.

How…………………………?

V. Rewrite: using Would you…

1. get on the scale -> Would…………………………………………

2. show methe waiting room -> Would……………………………….

3. take me a photograph -> Would……………………………………

4. put this picture on the wall -> Would………………………………

5. give me your book -> Would……………………………………….

 4²-3²+2²

ai nhanh mình tick

\(Q=\frac{1+\text{ax}}{1-\text{ax}}.\sqrt{\frac{1-bx}{1+bx}};x=\frac{1}{a}\sqrt{\frac{2a-b}{b}}\)

và 0<a<b<2a. Rút gọn Q