Реши уравнения x:20=40*3 x*110=110 x-260=0
X : 20 = 40 * 3 x : 20 = 120 x = 120 * 20 x = 2400 --------------------- x * 110 = 110 x = 110 : 110 x =1 ---------------------- x - 260 = 0 x = 260