Решите уравнения 1) (2/3x+7/12): 6/11=1 5/6 2) 1 - вопрос №545615612371261115621385656214 от наташа979 04.09.2021 08:10

Question

Математика: Решите уравнения 1) (2/3x+7/12): 6/11=1 5/6 2) 1 3/8+(5/6x-5/6=2 1/4 нужно !

наташа979 · Answer

(2/3 х+7/12):6/11=1 5/62/3 х+7/12=11/6*6/112/3 х+7/12=12/3 х=1-7/122/3 х=5/12х=5/12:2/3=5/12*3/2х=5/81 3/8+(5/6 х-5/6)=2 1/45/6 х-5/6=2 1/4-1 3/8=2 2/8-1 3/85/6 х-5/6=7/85/6 х=7/8+5/6=21/24+20/245/6 х=41/24х=41/24 : 5/6=41/24*6/5х=41/20=2 1/20...