Докажите тождество: 2009,1х+38,2у-(210,09х+40,1у)=(179901х-190у)*0,01. - вопрос №48669812009138221009401179901190001 от supermosyagina 31.10.2022 00:17

Question

Математика: Докажите тождество: 2009,1х+38,2у-(210,09х+40,1у)=(179901х-190у)*0,01.

supermosyagina · Answer

2009,1х+38,2у-210,09х-40,1у=179901х*0,01-190у*0,012009,1х+38,2у-210,09х-40,1у=1799,01х-1,9у(2009,1х-210,09х)+(38,2у-40,1у)=1799,01х-1,9у1799,01х-1,9у=1799,01х-1,9у...