45/6х-2 5/6х=24; 3 1/8*2/5*1 1/15 ; (4 1/5-3 1/3)*3 - вопрос №80561174562562431825111541531333414 от Liza16052006 20.03.2020 05:48

Question

Математика: 45/6х-2 5/6х=24; 3 1/8*2/5*1 1/15 ; (4 1/5-3 1/3)*3 3/4+1/4

Liza16052006 · Answer

4 5/6х-2 5/6х=24;2х = 24,х = 12,3 1/8*2/5*1 1/15 = 25/8 * 2/5 * 16/15 = 4/3= 1 1/3; (4 1/5-3 1/3)*3 3/4+1/4 = = (21/5-10/3)*15/4+1/4 = = (63/15-50/15)*15/4+1/4 = = 13/15*15/4+1/4 = = 13/4+1/4 = = 14/4 = 7/2 = 3 1/2...