So sánh các tích sau bằng cách hợp lí
P1=\(\left(-\dfrac{57}{95}\right).\left(-\dfrac{29}{60}\right)\) ; P2= \(\left(-\dfrac{5}{11}\right).\left(-\dfrac{49}{73}\right)\left(-\dfrac{6}{23}\right)\)
P3= \(\dfrac{-4}{11}.\dfrac{-3}{11}.\dfrac{-2}{11}.........\dfrac{3}{11}.\dfrac{4}{11}\)