Rearrange the sentences to make meaningful sentences

students/ have/ your/ does/ how/ classroom/ many?

A. How does your classroom have many students?

B. How many students does your classroom have?

C. How students does your classroom have many?

D. Does your classroom have how many students?

1:

/2x-1/= 2x-1<=>x>0

nếu 2x-1 là số âm thì|2x-1|là 1 số dương thì|2x-1|không bằng 2x-1

<=>2x-1 là số dương mà| 2x|-1=2x-1 nếu nó là số dương thì số dương nào là x cx thảo mãn