Rút gọn biểu thức sau:

A=\(\dfrac{1}{\sqrt{3}+\sqrt{2}}-\dfrac{\sqrt{15}-\sqrt{12}}{\sqrt{5}-2}\)

6. Japanese people like raw food with sauces _____________ don’t have strong flavour. A. whose B. which C. who D. whom 7. We really enjoy _________________ time together at weekend A. spend B. to spendC. spending D. spent 8. Our children feelreally ____________ when summer holiday is coming soon A. excitement B. excited C. excitedly D. exciting 9. The air is polluted _________________ there’s too much traffic. A. however B. because C. therefore D. but 10. Your Mum usually prepares breakfast for family , _________? A. is she B. does she C. isn’t she D. doesn’t she 11. If we ____________ littering, our earth will be an enormous garbage dump. A. turn on B. go on C. go off D. turn off 12 All houses in our neighborhood ____________ immediately after the storm . A. has to rebuilt B. had to rebuild C. have to be rebuilt D. have to rebuild 13. - “ You look nice today. I like your new hair style.” _ “ _____________________” A. It’s nice of you to say so B. Shall I? Thanks C. Oh, well done D. I feel interesting to hear that 14. Would you like more milk for your coffee?. A. anyB. some C. few D. many 15. I really can’t __________ Peter and his brother apart. They look so alike. A. say B. talk C. take D. tel

Giúp mình câu này với ạ tks mng nhiều ạ

1. A. examination          B. fiction                         C. preparation             D. question

2. A. last                        B. taken                           C. ate                          D. late

3. A. excited                 B. contacted                    C. faced                      D. needed

4. A. plumber                B. tomb                           C. club                        D. comb

5. A. arises                    B. articles                        C. traces                      D. watches

6. Awesome. I felt ________ after the test.

A. happy B. happily C. unhappy D. unhappily

7. They ________ late again if they don’t hurry.

A. will B. won’t C. will be D. won’t be

8. Let’s ________ on 30th of April.

A. go camp B. going camp C. going camping D. go camping

9. “How do you go to school, Peter?”

A. Mary said to Peter to go to school. B. Mary asked Peter how he went to school.

C. Mary asked Peter how to go to school. D. Mary said to Peter how he went to school.

10. Hoa is quite clever. ________ , she is never haughty.

A. However B. Because C. Therefore D. Although

11. “Your painting is so nice.”   - “________”

A. Not at all. B. You’re welcome. C. Thanks D. Don’t say so.

12. The bridge ______ in 2015.

A. is completed B. will be completed C. was completed D. has been completed

13.My new classmate, ________ we met in the park last Sunday, is very intelligent.

A. who B. whom C. which D. that

14. Please put ________your coat. It’s extremely cold outside.

A. up B. down C. off D. on

15. He’s never gone to school on Sunday, ______ he?

A. is B. isn’t C. has D. hasn’t

Rút gọn:

\(\dfrac{1}{\sqrt{3}}.\sqrt{\dfrac{36}{\left(\sqrt{3}-3\right)^2}}\)

Rút gọn:

\(\dfrac{\sqrt{x}}{\sqrt{x}-1}-\dfrac{6\sqrt{x}-3}{\left(\sqrt{x}-1\right)\left(\sqrt{x}+2\right)}\)

\(\dfrac{\sqrt{x}}{\sqrt{x}-1}-\dfrac{6\sqrt{x}-3}{\left(\sqrt{x}-1\right)\left(\sqrt{x}+2\right)}\)

Rút gọn ạ