Question

Calculeaza: [0,25 + 0, (3) + 1 supra 2 × (1 pe 2 + 1 pe 3)] Totul ls puterea 2017

Answer 1

0.25=1/4

0.(3)=3/9=1/3

1/4+1/3+1/2*(1/2+1/3)=1/4+1/3+1/2*5/6=1/4+1/3+5/12=(3+4+5)/12=12/12=1

1^2017=1