40 -4,9x = 4,72 ,(z - 1.2):0.4=2.7 3.5p-p=9.8 (12.4-s):4.99=0.75 8k - 7,95k k = 0,6585

40 -4,9x = 4,72-4,9x=-35,28x=7,2(z - 1.2):0.4=2.71,08=z-1,2x=2,283.5p-p=9.82,5p=9,8p=3,92(12.4-s):4.99=0.753,7425=12,4-ss=8,6575 8k - 7,95k=8*0,6585-7,95*0,6585=5,268-5,235=0,033