1/3х + 3/4х - 4/9х = 12/36х + 27/36х - 16/36х = 23/36х
1) при х = 1 13/23
23/36 * 1 13/23 = 23/36 * 36/23 = 1
2) при х = 9/46
23/36 * 9/46 = 1/8
1/3х + 3/4х - 4/9х = 12/36х + 27/36х - 16/36х = 23/36х
1) при х = 1 13/23
23/36 * 1 13/23 = 23/36 * 36/23 = 1
2) при х = 9/46
23/36 * 9/46 = 1/8