`x- 1/2=1/4` `3/4 :x= 1/2`

2 bình luận về “`x- 1/2=1/4` `3/4 :x= 1/2`”

1. x-1/2=1/4

   ->x=1/4+1/2

   ->x=3/4

   Vậy x=3/4

   3/4 :x=1/2

   ->x=3/4 : 1/2

   ->x=3/2

    Vậy x=3/2

   Trả lời
2. ????????????????????????????????????????????????????

   $\bullet$  x-1/2=1/4

   x=1/4+1/2

   x=1/4+2/4

   x=3/4

   Vậy x=3/4

   ___________________________

   $\bullet$  3/4:x=1/2

   x=3/4:1/2

   x=3/4 . 2/1

   x=3/2

   Vậy x=3/2

    

   Trả lời