(11/12*13/17)*(17/13*12/33)=(0,9(6)*0.76470588235)*(1.30769230769 *0,(36))=4.12941176469*0=0
65*5/13+65*4/13=325/13+65*4/13=25+260/13=25+20=45
(11/12*13/17)*(17/13*12/33)=(0,9(6)*0.76470588235)*(1.30769230769 *0,(36))=4.12941176469*0=0
65*5/13+65*4/13=325/13+65*4/13=25+260/13=25+20=45