Use the correct form and tense of the verb provided to complete the sentense:

1) You (see) .............. any good films recently.

2) How many times .............. you (be) ............ to Van Mieu.

3) Is Lan used to (write) .............. to Maryam.

4) I'm sorry.I (not fishing) ........... this work yet.

5) He used to (take) ........... to school by his mother.

6) They (live) .......... in that house since it (build) ..........

7) ........... you (visit)........... One pillar Pagoda when you were in Hanoi?

8. The telephone (invent) .......... by Alexander Bell.

9. She often (take) .......... to the theatre by The Greens.

10. If you (not learn) ..........the lessons carefully, you cannot do the test well.

11. The teacher asked her why she (not do) ...........her homework.

12. We are looking forward to (see) .......... you.

13. We (go) .......... a picnic next week.

14. Wearing uniform (help) .......... students (feel) ........... equal in mary way.

Giải các phương trình:

1) \(\left|x^2-1\right|+\left|x+1\right|=0\)

2) \(\sqrt{x^2-8x+16}+\left|x+2\right|=0\)

3) \(\sqrt{1-x^2}+\sqrt{x+1}=0\)

4) \(\sqrt{x^2-4}+\sqrt{x^2+4x+4}=0\)

Giải các phương trình:

1) \(|3x+1|=|x+1|\)

2) \(|x^2-3|=\left|x-\sqrt{3}\right|\)

3) \(\sqrt{9x^2-12x+4}=\sqrt{x^2}\)

4) \(\sqrt{x^2-4x+4}=\sqrt{4x^2-12x+9}\)

Giải các phương trình:

1) \(\sqrt{x^2-2x+1}=x^2-1\)

2) \(\sqrt{4x^2-4x+1}=x-1\)

3) \(\sqrt{x^4-2x^2+1}=x-1\)

4) \(\sqrt{x^2+x+\frac{1}{4}}=x\)

5) \(\sqrt{x^4-8x^2+16}=2-x\)

6) \(\sqrt{9x^2+6x+1}=\sqrt{11-6\sqrt{2}}\)

Giải các phương trình:

1) \(\sqrt{x^2+x}=x\)

2) \(\sqrt{1-x^2}=x-1\)

3) \(\sqrt{x^2-4x+3}=x-2\)

4) \(\sqrt{x^2-1}-x^2+1=0\)

5) \(\sqrt{x^2-4}-x+2=0\)

6) \(\sqrt{1-2x^2}=x-1\)

Giải các phương trình:

1) \(\sqrt{2x+5}=\sqrt{1-x}\)

2) \(\sqrt{2x-1}=\sqrt{x-1}\)

3) \(\sqrt{2x^2-3}=\sqrt{4x-3}\)

4) \(\sqrt{x^2-x}=\sqrt{3-x}\)

5) \(\sqrt{x^2-x}=\sqrt{3x-5}\)

6) \(\sqrt{x^2-x-6}=\sqrt{x-3}\)

Giải các phương trình:

a) \(\sqrt{\left(x-3\right)^2}=3-x\)

b) \(\sqrt{4x^2-20x+25}+2x=5\)

c) \(\sqrt{1-12x+36x^2}=5\)

Rút gọn:

\(\sqrt{4+2\sqrt{3}}+\sqrt{4-2\sqrt{3}}-\frac{5}{\sqrt{3}-2\sqrt{2}}-\frac{5}{\sqrt{3}+\sqrt{8}}\)

Giải các phường trình sau:

1) \(\sqrt{2x-1}=\sqrt{5}\)

2) \(\sqrt{3}x^2-\sqrt{12}=0\)

3) \(\sqrt{x-5}=3\)

4) \(\sqrt{4x^2}-6\)

5) \(\sqrt{\left(x-3\right)^2}=9\)

6) \(\sqrt{4\left(1-x\right)^2}-6=0\)

7) \(\sqrt{9\left(x-1\right)}=21\)

8) \(\sqrt[3]{x+1}=2\)

9) \(\sqrt{4x^2+4x+1}=6\)

10) \(\sqrt{2}x-\sqrt{50}=0\)

11) \(\sqrt{\left(2x-1\right)^2}=3\)

12) \(\sqrt[3]{3-2x}=-2\)

Mọi người ơi giúp em với!!! :((((

Rút gọn:

\(\sqrt{4+2\sqrt{3}}+\sqrt{4-2\sqrt{3}}-\frac{5}{\sqrt{3}-2\sqrt{2}}-\frac{5}{\sqrt{3}+\sqrt{8}}\)