Question

Va rog mult sa ma ajutati! Dau coronita!
${2}^{2013} - {2}^{2012} - {2}^{2011} -..... -{2}^{2}- 2-1$

Answer 1

2^2013-2^2012= 2*2^2012-2^2012=2^2012

2^2012-2^2011=...=2^2011

.........................

22_2=2

2-1=1

as simple as that!!