1. this house(build)..........for two year

2. would you like (have)..........something to drink

3.we are all looking forward to (hear)...........from you

4.where is he now? i only wish i(know)..................

5.we (be)............to Hanoi three times.

6.this kind of jacket(consider)..............very fashionable these dáy

7.we have teachers who are well-..........................for teaching. (qualify)

8. the next stage in the..........of TV is interactive Tv (develop)

\(A=\left(\dfrac{\sqrt{x}+2}{\sqrt{x}+1}-\dfrac{2\sqrt{x}-2}{\sqrt{x}-1}\right).\left(x-1\right)\)

a) Tính A khi x=4

b) Rút gọn A và tìm GTLN của A

on

\(A=\left(\dfrac{\sqrt{x}}{2}-\dfrac{1}{2\sqrt{x}}\right).\left(\dfrac{X-\sqrt{X}}{\sqrt{X}+1}-\dfrac{X+\sqrt{X}}{\sqrt{X}-1}\right)\)

a) Rút gọn biểu thức A

b) Tìm giá trị của x để A>-6

\(\dfrac{10+2\sqrt{10}}{\sqrt{5}+\sqrt{2}}+\dfrac{8}{1-\sqrt{5}}\)

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