3у 2 у3 1. 5у+3у-1.3 1.1. У-5/9у 3.6. 3.9У-1.6У+У=6.6. -2,1-3,2. 1.5 Х-2у-1.5(-1.7)-2*0.3. (-5у-1,5)(0,3у+6,3)=0. 2х+3у-6=0 2х-3у+4=0. 4 1/6+2 1/3. (5у2 + у) (3у – 1) + 2(у + 5у2) = 0. У+3/2у+2-у+1/2у-2+3/у2-1. 1/3 И 2/3. Во-2,3. 2a2-5a-3. 4 3 2 1. 2+2. 1 2 3 5