(4,2х+0,8у)*6+3*(2,6х+0,3у)=25.2х+4.8у+7.8х+0.9у=33х+5.7у. Подставляем х=0.1,у=1, 33*0.1+5.7*1=3.3+5.7=9.
(4,2х+0,8у)*6+3*(2,6х+0,3у)=25.2х+4.8у+7.8х+0.9у=33х+5.7у. Подставляем х=0.1,у=1, 33*0.1+5.7*1=3.3+5.7=9.