Răspunsuri

2014-11-10T12:04:35+02:00
5^11 - (6 x 5^10 - 2 x 5^10 ) =
= 5^11 - 5^10 x ( 6 - 2 ) =
= 5^11 - 4 x 5^10 =
= 5^10 x ( 5 - 4 ) =
= 5^10