Odpowiedzi

2010-02-07T19:56:55+01:00
1/3(5+v)=1/2
5/3+ 1/3v=1/2v /-1/3v
5/3=3/6v-2/6v
5/3=1/6v
5/3x6= v
v=3/30
v=10
2010-02-07T21:11:50+01:00
U = 5 +v
1/3 u = 1/2v

1/3(5+v)=1/2v
5/3+1/3v=1/2v
1/3v-1/2v=-5/3
-1/6v=-5/3
v=10