(3)若F(x)在x=F-1(y)处连续,则F(F-1(y)=v; (4)F-1(y)左连续Ch2 2 (3) ♣ F(x) ✣ x = F −1 (y) q❜✂❝✔❴❧ F(F −1 (y)) = y; (4) F −1 (y) r❜✂❝✜ 2