(2/45)/{(3/2)√[1(3/5)]}

(2/45)/{(3/2)√[1(3/5)]}
(2/45)/{(3/2)√[1(3/5)]}

(2/45)/{(3/2)√[1(3/5)]}
原式=(2/45)/[(3/2)*√(8/5)]
=(2/45)/[(3/2)*(2/5)√10]
=(2/45)/[(3/5)√10]
=(2/45)*[5/(3√10)]
=√10/135

软硬件发个圣达菲

=（√10）/135