Temat:
MatematykaAutor:
bubblesUtworzono:
1 rok temu[tex]wzory \\ Ob = 2a + 2b \\ P = ab[/tex]
[tex]a) \:a = 5 \\b = 4x \\ Ob = 2 \times 5 + 2\times 4x = 10 + 8x \\ P = 5 \times 4x = 20x[/tex]
[tex]b) \: a = 2x \\ b = x + 3 \\ Ob = 2 \times 2x + 2 \times (x + 3) = 4x + 2x + 6 = 6x + 6 \\ P = 2x \times (x + 3) = 2 {x}^{2} + 6x[/tex]
Autor:
bearqrw3
Oceń odpowiedź:
8