Уравнения: 2 1/3 + x = 3 1/6 4 * x = 12 4/5 х : 5/6=2 2/5 5 2/9 * x= 0 заранее

2 1/3 + x = 3 1/6
7/3 + х = 19/6
х = 19/6 - 7/3
х = 19/6 - 14/6
х = 5/6

4 * x = 12 4/5
4х = 64/5
х = 64/5 : 4
х = 64/5 * 1/4
х = 16/5
х = 3,2

х : 5/6=2 2/5
х : 5/6 = 12/5
х = 12/5 * 5/6
х = 2

5 2/9 * x= 0
х = 0 * 5 2/9
х = 0