Odpowiedzi

2009-05-12T21:00:08+02:00
240x=(6+x)(240/3)
240x=80(6+x) / :80
3x=6+x
2x=6

x=3
1 5 1
2009-05-12T22:51:56+02:00
240x= (6+x)(240:3)
240x=80 (6+x):80
3x=6+x
2x=6

x=3