Odpowiedzi

2010-01-09T16:10:27+01:00
X+y/2=15
x-2+y/2/2=10
x+y=30
x-2+y/2=20
x=30-y
2x-4+y=40
x=30-y
2x+y=44
x=30-y
2(30-y)+y=44
x=30-y
60-2y+y=44
x=30-y
y=16
x=14 te liczby to 16 i 14