3.6х=5*5.4 0,05х=0.25*9 6.9х=27.6*11.5 2х=1.2*0.2
3,6х=27 0.05х=2.25 6.9х=317.4 2х=0.24
х=27:3.6 х=2.25:0.05 х=317.6:6.9 х=0.24:2
х=7.5 х=45 х=46 х=0.12
0.9х=15*0.3 1.6х=4.8*7 13.3х=1.9*66.5
0.9х=4.5 1.6х=33.4 13.3х=126.35
х=4.5:0.9 х=33.4:1.6 х=126.35:13.3
х=5 х=21 х=9.5
экватор