Question

pentru cate cifre x (in baza zece ) are loc relatia : 2*n +2^2 + 2^3 =2^4

Answer 1

2^n+2^2+2^3=2^4
2^n+4+8=16
2^n+4=16-8
2^n+4=8
2^n=8-4
2^n=4
n=2
proba: 2^2+2^2+2^3=2^4
            4+4+8=16
            8+8=16
             16=16