Odpowiedzi

2010-04-16T04:08:04+02:00
A) P=t-3rt+2r | +3rt-2r
P+3rt-2r=t|-P
3rt-2r=t-P
r(3t-2)=t-P| :(3t-2)
r=t-P/3t-2

b). F=4y-z/z | *z
F*z=4y-z| +z
F*z+z=4y
z(F+1)=4y| :(F+1)
z=4y/F+1
36 4 36