1)18 1/4-3 4/14-x=5 1/14+3 13/14 2)(x-7 2/17)-4 - вопрос №8267105118143414511431314272174151751617 от maxim5251988 11.05.2020 23:50

Question

Математика: 1)18 1/4-3 4/14-x=5 1/14+3 13/14 2)(x-7 2/17)-4 15/17=5 16/17 решить

maxim5251988 · Answer

18 1/4-3 4/14-х=5 1/14+3 13/1473/4-46/14-х=71/14+55/1473/4-х=71/14+55/14+46/1473/4-х=172/14-х=172/14-73/4-х=344/28-511/28х=167/28=5 27/28(х-7 2/17)-4 15/17=5 16/17(х-121/17)=101/17+83/17х=184/17+121/17х=305/17=17 16/17...