Due to the fact each of the subsets of the set apart from the set by itself are the right subsets on the established, the volume of good subsets is received by subtracting 1 from 2n. As an example:Pilih situs slot on the internet terpercaya. Pastikan situs yang Anda pilih memiliki lisensi resmi dan menggunakan sistem keamanan canggih untuk melindun