10/3kali 9 /2 :3 /5 =

10/3 x 9/2 : 3/5= 10/3 x9/2 x5/3
=450/18
= 25

10/3×9/2
=90/6
=90/6:3/5
=90/6×5/3
=450/18
=25/1=25