537+912+463                   813+47+187                 35+45+55+65                  74+84+16+26

=(537+463)+912            =(813+187)+47              =(35+65)+(45+55)            =(74+26)+(84+16)

=1000+912                     =1000+47                      =100+100                         =100+100

=1912                             =1047                             =200                                 =200

 Hãy chứng tỏ trên hình vẽ dưới đây ta có AB // CD.

giúp mình với ạ mình cần gấp

6.The village hadn’t been left by Liz

7. A shrine hadn’t been visited by them

8. A Videotape hadn’t been bought by Jane

9. The trip hasn’t been showed by Tom

1.o. A small bamboo forest hadn’t been  crossed by Ha

11. Had a new department store been  built by them
12. Had a new style of Jeans been introduced in the USA by them?

13. Have Giac Lam pagoda seen yet by you?

14. Have  seafood been eaten by him?

15.Has his photo album been seen by his friends?

16. Where has your certificate been hung by you?

17. When had that story been read by her?

18. Had the road been swept by Mrs. Oanh?

Giúp mình với ạ,cảm ơn 

9. He hasn’t played games

1o. Lam hadn’t sung that English song

11. Had you shouted the late st news?

12. Had TV viewers askedquestions about show by using their remote controls?

13. Have they read that novel?

14. Has Minh had a wonderful time there?

15. Has the girl done the English test?