а) O = 15 ; L = 45 ; E = 75 ; D = 105
б) N = 250 ; U = 750 ; T = 1000
в) I = 40 ; K = 120 ; A = 160 ; S = 200
54: 2, 3, 3, 3.
65: 5, 13.
99: 11, 3, 3.
162: 2, 3, 3, 3, 3.
10.000: 2, 5, 5, 5, 5, 2, 2, 2.
1.500: 5, 5, 5, 3, 2, 2.
7.000: 5, 5, 5, 2, 2, 7, 2.
3.240: 5, 2, 2, 2, 3, 3, 3, 3.
4.608: 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3.
Одз: 8-х>0, х<8Решение: 8-х=2-х=-6х=6Ответ х=6