6x5/6 =, 2/9x9=, 11/17 x17=,12x5/6=,2/9x45=,11/17x17=

6x5/6=5 2/9x9=2 11/17 x17=11 12x5/6=10 2/9x45=10 11/17x17=11

6x5/6 = 30/6 = 5 2/9x9 = 18/9 = 2 11/17 x17 = 187/17 = 11 12x5/6 = 60/6 = 10 2/9x45 = 90/9 = 10 11/17x17 = 187/17 = 11

6x5=306=5 29x9=0,22222...x9=2 1117x17=11 12x56=10 29x45=10 1117x17=11