Question

va rog repede dau coroana

Answer 1

   [1 si 1/3 + 2,(3) : 7/3^2] : (2/3)^2 =
= [4/3 + (23-2)/9 : 7/9] : 4/9 =
= (4/3 + 21/9 x 9/7) x 9/4 =
= (4/3 + 21/7) x 9/4 =
= (4/3 + 3) x 9/4 =
= (4/3 + 9/3) x 9/4 = 
= 13/3 x 9/4 =
= 39/4

Answer 2

Sper ca te-am ajutat