Odpowiedź :
Odpowiedź:
1 bok - 4x
2 bok - x
18 : 2 = 9
4x + x = 9
5x = 9
x = [tex]1\frac{4}{5}[/tex]
[tex]1\frac{4}{5} *4=7\frac{1}{5}[/tex]
Odpowiedź:
1 bok - 4x
2 bok - x
18 : 2 = 9
4x + x = 9
5x = 9
x = [tex]1\frac{4}{5}[/tex]
[tex]1\frac{4}{5} *4=7\frac{1}{5}[/tex]