Question

найди значения выражения (4,2x+0,8y)×6+3×(2,6x+0,3y) приx=0,1,y=1

Answer 1

(4.2х+0.8у)*6 + 3*(2.6х+0.3у) = (4.2х+0.8у)*2 + 2.6х+0.3у = 8.4х+1.6у+2.6х+0.3у = 11х+1.9у = 11*0.1 + 1.9*1 = 1.1+0.9 = 2