Question

Calculati : (2^5+2^2): 6 + 2^2 + 2^1 + 2^0 - 2^0 - 1^2015 =

Answer 1

Calculati:
(2^5+2²):6+2²+2¹+2^0–2^0–1^2015

Acum ridicam puterile
2^5=2×2×2×2×2=4×4×2=16×2=32
2²=2×2=4
2¹=2
2^0=1
1^2015=1×1×1×....×1 ( de 2015 ori)=1

=(32+4):6+4+2+1–1–1
=36:6+6+1–1–1
=6+7–1–1
=13–1–1
=12–1
=11