Odpowiedzi

2010-04-11T16:34:55+02:00
10-3x/4-9x-1/25=1 i 4/5 /*100
250-75x-36x+4=180
-111x=-74
x=74/111
2010-04-11T16:40:17+02:00
10-3x/4-9x-1/25=9/5 /*100
1000-75x-900x-4=180
-75x-900x=180-1000+4
-975x=-816 /: -975
x= 816/975