0 6 10 4. 1-4(1/2у+1)+5(0,2-у). Х-6/Х-12-Х-12/Х-6=5/6 1 х6 х8 2 х3 6 3 х12 х 5 4 2х4 3. 5(Х-2,6)=7х. – 2х4 + 10х2 – 8 = 0. ( 20 13 15 + 12 8 15 ) − ( 13 11 15 + 7 1 15 ) ; (201315+12815)−(131115+7115);. (1/7-1) +4 1/2+20 0 +9 1,5?. (3 8/60-2 5/24):9 1/4:0,1