Решите уравнения:5\6:x=5\12;x:4\9=8\27
5/6÷х=5/12 х=5/6÷5/12 х=5/6×12/5 х=1/1×2/1 х=2 х÷4/9=8/27 х=4/9×8/27 х=32/243