(6/5-3/4)*2/3 СРОЧНО!!!!
(6/5-3/4)*2/3=0,3 1) 6/5-3/4=(24-15)/20=9/20 2) 9/20*2/3=3/10=0,3
(6/5-3/5)*2/3=0,3 6/5-3/5=(24-15)/20=9/20 9/20*2/3=3/10=0,3