X=2,15(864)
(100000x-100x)=215864,(864)-215,(864)=215649
X=215649/99900=23961/11100=2_1761/11100=2_587/3700
X=2,15(864)
(100000x-100x)=215864,(864)-215,(864)=215649
X=215649/99900=23961/11100=2_1761/11100=2_587/3700