Răspuns :
Răspuns:
68 supralui 53
..........................................
17/9:(11^2/6^2-17/9)
17/9:(121/36-17/9)
17/9:(121/36-68/36)
17/9:53/36
17/9•36/53
17/1•4/53=68/53
/ -supra
^ -la putere
17/9:(121/36-17/9)
17/9:(121/36-68/36)
17/9:53/36
17/9•36/53
17/1•4/53=68/53
/ -supra
^ -la putere