Odpowiedzi

2010-02-08T14:46:13+01:00

4x+18=50
4x = 50 - 18
4x = 32 /:4
x = 8
2010-02-08T14:46:34+01:00
4x+18=50
4x = 50 - 18
4x = 32 / : 4
x = 8