Odpowiedzi

2010-03-23T20:53:19+01:00
Ax = -4, ay = 7
sx = 2 , sy = -3

sx = (ax + bx)/2 => bx=2sx-ax = 2*2-(-4)=8

sy = (ay + by)/2 => by=2sy-ay = 2*(-3)-7=-6-7=-13

b(8, -13)