Ответ:

1) x = 1000 ; y = 10

2) x = 1000000 ; y = 1/10

Объяснение:

1)  

lg(x) - lg(y) = 2

3 - 1 = 2

log(x) = 3 ;

x = 1000

Тогда - x - 10y = 900

1000 - 10y = 900

10y = 100

y = 10

2)

6 - (-1) = 7

6 + (-1) = 5

lg(x) = 6 ; x = 1000000

lg(y) = -1 ; y = 1/10