lưu mỹ duyên cầu giải chi tiết cho tớ bài 1 

11 + 11 = 11 x 2 = 22

Tk mk nha

Mình chưa học lớp 7

Mình mới học lớp 5 thôi

Xin lỗi nha

1. Where are you going(go) now ? -I am going (go) to the theater.

2. He doesn't do (not do) morning exercises regularly.

3. Is He doing (do) morning exercises now ?

4. What did you do ( do) yesterday?

5. They finished ( finish) their dinner half an hour ago.

6. Water boils ( boil ) at 100 degrees centigrade.

7. The factory began ( begin) operation last year.

P/S : Good Luck
~Best Best~

tieu thu nha em ơi sao 120*20/100 lại bằng 200

1 + 1= 2 nha

Bài làm

15*150+15*400+150

=15*(150+150+400)

=15*(300+400)

=15*700

=10500

tk mình nhé

b tk mình nha

tk Linh Chj

12x5=60

k mk nhé.Thank you