Odpowiedzi

2010-04-15T12:48:30+02:00
5d+2=3d
5d-3d=2
2d=2
d=1

6e-2=7e+5
-e=7
e=-7

6f-1=f+2
5f=3
f=3/5
2010-04-15T12:49:08+02:00
5d+2=3d
5d-3d=-2
2d=-2
d=-1

6e-2=7e+5
6e-7e=2+5
-1e=7
e=7

6f-1=f+2
6f-f=2+1
5f=3
f=3:5=0.6