Question

tìm x biết

12:x=x:3

Answer 1

x=6 

k nha!

Answer 2

x=6

nha

bạn ^ ^

Answer 3

suy rs x*x = 12 *3

          x^2=36

         x^2=6^2

suy ra x=6

Answer 4

x=6

tink nha

Answer 5

12/x=x/3.Nen x^2=12*3=36=6^2

vay x=6