EXERCISE

I - Let's rewrite the second sentence so that its meaning does not change with the original sentence. (Hãy viết lại câu thứ 2 sao cho nghĩa của nó không đổi với câu ban đầu ?)

1. Kate play football skillfully .

=> Kate is .......................................

2. Nam and Trung didn’t do housework .

=> Nam didn’t ......................................

3. We should listen to music now .

=> Why don’t ..................................

4. Hoa is a good student . I am a good student , too.

=> Hoa ............................................................

5. Lien swims very well.

=> Lien is ................................

6. No one can speak Eng more fluently Miss Lan .

=> Miss Lan is ...................................................

7. You should find another way for the plan .

=> You ought .............................................

8. Nam doesn’t like cold wether and neither does Ba .

=> Nam and Ba .............................................

Thực hiện phép tính 1 cách hợp lí

A=(-5)^3 . (0,9)^2 / (1/1/2)^4 . (-3/1/3)^3 . (-1)^7

Rút gọn các biểu thức

B=8^5 . (-5)^8 + (-2)^5 . 10^9 / 2^16 . 5^7 + 20^8