the car is cheap .I can buy it

she is very beautiful .she can be a miss world

the tea is warm .he can drink it

the film was very interesting .i saw it to the end

she is very taall.she can play volley ball well

1.Join these pairs of sentences into one ,using(enough)                                         1.Lan pratices English very hard.She can win the English speaking contest next week                                                                                                                        2.Peter got up early .He could catch the first train to HN                                       3.The expensive are very easy.The students can get high marks                   4.The room is very large.Four of us can live in it                                      5.The boy is very strong .He can lift bag                                                                     

rewrite the sentences

1.I have never met a more warm-hearted person than my mother                         \(\rightarrow\) My mother is the......................................................................                          2.My grandma has driven this car for two years                                               \(\rightarrow\) It's..........................................................................................                         3.We have never made such a big cake before                                                  \(\rightarrow\) This is the

Cho bt C= \(\dfrac{x\sqrt{x}-1}{x-\sqrt{x}}-\dfrac{x\sqrt{x}+1}{x+\sqrt{x}}+\dfrac{x+1}{\sqrt{x}}\)   

a. Rút gọn C

bTìm x để C=4

1. Cho bt A=\(\left(\dfrac{1}{\sqrt{x}+2}+\dfrac{1}{\sqrt{x}-2}\right):\dfrac{\sqrt{x}-2}{\sqrt{x}}\)  (không km)

a. Rút gọn A 

b Tìm x để A>\(\dfrac{1}{2}\)

Cho bt B=\(\left(\dfrac{\sqrt{x}}{\sqrt{x-2}}-\dfrac{\sqrt{x}}{\sqrt{x+2}}+\dfrac{4\sqrt{x-1}}{x-4}\right):\dfrac{1}{\sqrt{x+2}}\)

a Rut gon B 

b. Tinh gia tri cua bthuc B khi x=\(6-4\sqrt{2}\)

Rut gon bt:

a.\(\dfrac{\sqrt{14}-6\sqrt{5}}{\sqrt{5}-3}\)     b.\(\dfrac{\sqrt{3}+\sqrt{5}}{\sqrt{2}}\)  c.\(\dfrac{2+\sqrt{2}}{\sqrt{1,5}+\sqrt{2}}\)