23/07/17 07:00:00.67 BwG3wDTB.net
0<A<=X<=Y<=B.
Y/X<=B/A.
c/2<=2^p<2^r<c.
2<=2^r/2^p<c/(c/2)=2.
23/07/17 07:00:00.67 BwG3wDTB.net
0<A<=X<=Y<=B.
Y/X<=B/A.
c/2<=2^p<2^r<c.
2<=2^r/2^p<c/(c/2)=2.
23/07/17 07:00:00.67 BwG3wDTB.net
0<A<=X<=Y<=B.
Y/X<=B/A.
c/2<=2^p<2^r<c.
2<=2^r/2^p<c/(c/2)=2.