z wzoru : a) v=2/t oblicz t b) W=U*I*t oblicz t c) 5a - 2p/k = 3c oblicz p d) 1/b+2 =3l/4-x oblicz b / - to jest kreska ułamkowa plisss to mi potrzebne na dzisiaj daje naj
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a) v=2/t /·t
t·v=2 /÷v
t=2/v
b) w=u·i·t /÷(u·i)
w/(u·i)=t
c) 5a-2p/k=3c
-2p/k=3c-5a /·(-½k)
p=-3c+5a/2k
d) 1/b+2=3l/4-x /·b
1+2=3lb/4-x /·4-x
12-3x=3lb /÷3l
4l-x/l=b
a) v=2/t /·t
t·v=2 /÷v
t=2/v
b) w=u·i·t /÷(u·i)
w/(u·i)=t
c) 5a-2p/k=3c
-2p/k=3c-5a /·(-½k)
p=-3c+5a/2k
d) 1/b+2=3l/4-x /·b
1+2=3lb/4-x /·4-x
12-3x=3lb /÷3l
4l-x/l=b