1) =8/3*9*32=16/3=1152/288=4
2)=22/5*15/77*7/20=2310/7700=3/10
3) =18/25*10/27*15/2=2700/1350=2
4) =27/5*40/81*15/16=16200/6480=2 ц 1/2
5) =25/4*36/35*7/3=6300/420=15
6) =90/7*2/25*7/18=180/450=2/5
7) =15/16*40/27*54/25=32400/10800=3
8) =39/10*8/13*25/6=780/78=10
9) =25/3*11/5*12/11=60/3=20