Odpowiedzi

2009-06-07T17:30:52+02:00
A)
b=a-c c = a - b

d)
a=b(c+d)
a = bc + bd
bc = a - bd / :b
c = (a - bd)/b



a = bc + bd
bd = a - bc /:b
d = (a - bc) / b


a = b(c+d) /: (c+d)
b = a / (c + d)


f) a = (b - c )/d /razy d
ad = b - c
b = ad + c


a = (b - c )/d /razy d
ad = b - c
c = b - ad