Rút gọn:
a) \(\sqrt{28}\) - \(\sqrt{64}\) + \(5\sqrt{63}\) - \(3\sqrt{16}\)
b) \(\sqrt{8}\) - \(2\sqrt{50}\) + \(\sqrt{32}\)
c) \(\frac{3}{8}\)\(\sqrt{\frac{16}{9}}\) - 2\(\sqrt{\frac{4}{25}}\)
d) \(\sqrt{\left(\sqrt{3-1}\right)^2}\) - \(\sqrt{\left(\sqrt{3-2}\right)^2}\)
e) \(\sqrt{\left(\sqrt{2-3}\right)^2}\)\(\sqrt{\left(1-2\sqrt{2}\right)^2}\)
1. He read a novel yesterday (passive)
2. Do you get good makrs?
She asked me...
3. You may use this room for the meeting place (passive)
4. She said to him "where do you go now?" (reported speech)
5. That house should be bought immediately
He....
6. We have to improve our Spanish pronunciation as soon as possible (passive)
7. She said to him "Don't talk, please" (reported speech)