bài 1:

a) (2x³ - x² + 5x) : x       b) (3x⁴ - 2x³ + x²) : (-2x)      c) (-2x⁵ +  3x² - 4x³) : 2x²

d) (x³ - 2x²y + 3xy²) : \(\left(-\dfrac{1}{2}x\right)\)   e) [ 3(x-y)⁵ - 2(x-y)⁴ + 3(x-y)²] : 5(x-y)²

a) (3x⁵ y² +4x³y³-5x²y⁴  ) :2x²y²
 

\(-\dfrac{x^2+5x-6}{x^2-x}\)

se

\(ww\dfrac{w}{w}\)

\(\left(\dfrac{x}{2}-y\right)\)\(\left(\dfrac{x}{2}+y\right)\)

hãy thập dữ liệu về ngày,tháng,năm sinh của các bạn

1.Complete the text with Present Simple or Present Continuous:

My friend Wugang is a new student from China. Wugang's parents ______ (not know) any English, so he always ______ (speak) Chinese with them. I _______ (love) listening to Chinese every day. Today, Wugang and his parents  ______ (prepare) for the Chinese New Year - a very important festival. Chinese people often _____ (wear) red clothes for the festival and they ______ (put) beautiful decorations in their windows. At the moment, Wugang's dad _____ (wash) the floors in their flat because Chinese people always ______ (clean) their homes for the festival. Wugang _____ (not help) his father. He and his mother ______ (make) special cakes for the festival.

1. I usually ______ (go) to school    2.They ______ (visit) us often

3.You _____ (play) basketball once a week  4.Tom _____(work) every day

5.He always _____ (tell) us funny stories  6.She never_____ (help) me with that!

7. Martha and kevin _____ (swim) twice a week  

8. In this club people usually ______(dance) a lot

9. Lorie _____(travel) to Paris every Sunday  10.I _____ (go) to the city once a week.  11. Tom always ______ (find) new ways to do things.

12. We really ______ (enjoy) the game last Sunday

13. They _____ (not play) very well yesterday. They lost the match

14. ______ (they / go) to the swimming pool yesterday

15. I _______ (buy) a new baseball cap last week

16. Jake's room is ______ than Larry's room. (small)

17. The blue car is _____ than the black car. (nice)

18. This exercise is ______ than that one. (boring)

19. Susan's hair is _____ than my hair. (long)

20. My result in the test was _____ than Harry's (good)

21. Gold is _____ than silver. (expensive)

22. Football is _____ than handball. (popular)

a) A = \(\dfrac{3}{7}-\dfrac{5}{2}\)\(-\)\(\left[\dfrac{-3}{7}\right]\)+\(\sqrt{\dfrac{1}{4}}-2022^0\)

b) B = (-0,125)\(^5\) . \(8^5\)+ \(\left[\dfrac{16}{81}:\left(\dfrac{-4}{3}\right)^2+\dfrac{24^3}{12^3}\right]\)\(-1^{2021}\)