2*1/9=2/9
2*13/20=26/20=13/10= 1 3/10 = 1,3
1/30*3=3/30=1/10=0,1
3*7/24=21/24=7/8
1/5*1/5*1/5=1/125
4/3*4/3=16/9=1 7/9
2/3*2/3*2/3*2/3=16/81
2*1/9=2/9
2*13/20=26/20=13/10= 1 3/10 = 1,3
1/30*3=3/30=1/10=0,1
3*7/24=21/24=7/8
1/5*1/5*1/5=1/125
4/3*4/3=16/9=1 7/9
2/3*2/3*2/3*2/3=16/81