(1-1/4)^2x(2/3)^2+[(7/2)^2x(-3-1/2)^3÷(-1-5/2)^4+1]
(1-1/4)^2x(2/3)^2+[(7/2)^2x(-3-1/2)^3÷(-1-5/2)^4+1]
@margherit scusa la domanda forse banale ma quel triangolino piccolo vicino a 1/4 cosa indica?
(1 - 1/4)^2·(2/3)^2 + ((7/2)^2·(-3 - 1/2)^3/(-1 - 5/2)^4 + 1) =
=(3/4)^2·(2/3)^2 + ((7/2)^2·(- 7/2)^3/(- 7/2)^4 + 1)=
=1/4 + ((- 7/2)^5/(- 7/2)^4 + 1)=
=1/4 + (- 7/2 + 1)=
=1/4 - 5/2= - 9/4