{[(1-0,5)^3×0,8+3,9]:2,5+1}^2×10^2=
Vă rog repede!!!


Răspuns :

{[(1-0,5)³×0,8+3,9]:2,5+1}²×10²=
=
[(0,5³×0,8+3,9):2,5+1]²×10²=
=[(0,125×0,8+3,9):2,5+1]²×10²=
=[(0,1+3,9):2,5+1]²×10²=
=(1,6+1)²×10²=
=2,6²×10²=
=6,76×100=676