1)3/5 = х/75 ; 2) 7/у = 28/36 ; 3) 6/11 = 54/х

спс

1)3/5 = х/75 ; 5*x=75*35x=225x=225:5x=452) 7/у = 28/36 ; 28*y=36*728y=252y=252:28y=93)6/11 = 54/х6*x=54*116x=594x=594:6x=99