(1/13-1/14): (1/15-1/16)*(1/16-1/17): (1/17-1/18) - вопрос №5474558113114115116116117117118 от bogdannar2013 12.10.2020 20:20

Question

Математика: (1/13-1/14): (1/15-1/16)*(1/16-1/17): (1/17-1/18)

bogdannar2013 · Answer

(1/13 - 1/14 ) : (1/15 -1/16 ) * (1/16 -1/17) : (1/17-1/18)=
= 1/182 : 1/240 * 1/272 : 1/306 =
= 1/182 * 240/1 * 1/272 * 306/1 =
= (1*240*1*306) / (182*1*272*1)=
= (15* 9/ 91* 1) = 135/91 = 1 44/91