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8/9х=2/9. 8х-2|у-2|,х=-1;у=-6. 1/Х+6=2. Х2-6х+9.
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5х 8 5х 1
5х 13
Х 4 5х 1
5х 2х2
5х 2у
5х 18
5х 4 7
Решите уравнение 5х 5х 6
1 5х 3 2
5х 6х