Question

det nr nat n stiind ca 2^9+2^10+2^11=n×2^9​

Answer 1

2^9(2^1+2^2)=n*2^9
2^9:2^9(2^1+2^2)=n
n=2+4
n=6

Answer 2

Răspuns:

2^9+2^10+2^11=n×2^9

2⁹(1+2¹+2²)=n·2⁹

2⁹·7=n·2⁹

7=n·2⁹:2⁹=>n=7