Решите уравнение (z-1,2):0,6=21,1; 3,5m+m=9,9; (10,49-s):4,02=0,805; 9k-8,67k=0,6699
Z-1,2=21,1*0,6 z-1.2=12,66 z=12.66+1.2 z=13.86 4.5m=9.9 m=9.9/4.5 m=2.2 10.49-s=0.805*4.02 10.49-s=3.2361 s=10.49-3.2361 s=7.2539 0.33k=0.6699 k=0.6699/0.33 k=2.03