1) 2х=4.2*5.1/3.5=6.12; x=3.06
2) 2x=0.4*0.3/6=0.02; x=0.01
3) 1/3x=5*30/8; x=56.25
4) 1/2x=5*16/8=100;x=200
1) 2х=4.2*5.1/3.5=6.12; x=3.06
2) 2x=0.4*0.3/6=0.02; x=0.01
3) 1/3x=5*30/8; x=56.25
4) 1/2x=5*16/8=100;x=200