решите уравнение 1) 2х/36=5/6; 2) 4/9=3х/ 54; 3) 7/21=3х/54; 4)11/33=2/3х; 5)8/5=4х/15; 6) 9/16=3х/64.

1) 2х/36=5/6;х = 5/6 / 2/36;х = 5/6 * 36/2 = 180/12 = 15;х = 15;2) 4/9=3х/ 54;х = 4/9 / 3/54;х = 4/9 * 54/3 = 216/27 = 8;х = 8;3) 7/21=3х/54;х = 7/21 / 3/54;х = 7/21 * 54/3 = 378/63 = 6;х = 6;4) 11/33=2/3х;1/3 = 2/3х;х = 1/3 / 2/3;х = 1/3 * 3/2 = 3/6 = 1/2 = 0,5;х = 1/2 = 0,5;5) 8/5=4х/15;х = 8/5 / 4/15;х = 8/5 * 15/4 = 120/20 = 6;х = 6;6) 9/16=3х/64;х = 9/16 / 3/64;х = 9/16 * 64/3 = 576/48 = 12;х = 12;