5x + 5y + 3 =
5*9 + 5*1 + 3 =
45 + 5 + 3 =
53
Odp.
cześć!
[tex]5x + 5y + 3 = 5 \times 9 + 5 \times 1 + 3 = 45 + 5 + 3 = 50 + 3 = 53[/tex]
pozdrawiam!
