Quy đồng mẫu các phân số sâu

a)\(\dfrac{11}{8}\),\(\dfrac{-5}{9}\),\(\dfrac{-7}{12}\)                                   b)\(\dfrac{31}{48}\),\(\dfrac{5}{10}\),\(\dfrac{-11}{16}\)

Quy đồng mẫu các phân số phân số sau

a)\(\dfrac{7}{15}\),\(\dfrac{-3}{8}\),\(\dfrac{-2}{3}\)

\(\dfrac{7}{15}\),\(\dfrac{-3}{7}\),\(\dfrac{3}{4}\)

giúp mk với

Quy đồng mẫu các phân số sau:

a) \(\dfrac{3}{4}\), \(\dfrac{1}{-9}\),\(\dfrac{-5}{5}\)                       b)\(\dfrac{1}{-7}\), \(\dfrac{-1}{-8}\), \(\dfrac{3}{4}\)

c)\(\dfrac{1}{3}\),\(\dfrac{-1}{5}\), \(\dfrac{1}{-10}\)                       d)\(\dfrac{5}{14}\),\(\dfrac{-3}{7}\),\(\dfrac{3}{-4}\)

e)\(\dfrac{4}{11}\),\(\dfrac{3}{-5}\),\(\dfrac{-1}{-2}\)                   g)\(\dfrac{7}{15}\),\(\dfrac{-3}{8}\),\(\dfrac{-2}{3}\)        

Thì hiện tại đơn và hiện tại tiếp.

25. Every year. I usually (go)…………Vietnam.

26.In the summer, I sometimes (go)…………..swimming.

27. Every everning, my mother(watch)……………. Television.

28. He (go)…………….to bed at 11:30 p.m.

29. Every day she (go)………..to work by bike.

30. Weus ually (read)………books, (listen)……….to music or (watch)……..TV.

31. Sometimes, I (play)………bad minton.

32. Am (like)………….hes job very much.

33……………your mother (walk)……….to market?

34.Look! They (run)…………

35. She (have)…………a party for my birthday tonight.

36. They (have)…………dinner at the moment.

37. Whe (stay)……………at home to night.

38. He (not/do)………… anything this evening.

39……………you (play)………..football tomorrow?

40………………..she (play)…………the piano now.