9/40
Пошаговое объяснение:
29/4:5 4/5-3/4(3-1 19/30)=
29/4:29/5-3/4(2 30/30-1 19/30)=
29/4*5/29-3/4*1 11/30=5/4-3/4*41/30=
5/4-41/40=(50-41)/40=9/40
9/40
Пошаговое объяснение:
29/4:5 4/5-3/4(3-1 19/30)=
29/4:29/5-3/4(2 30/30-1 19/30)=
29/4*5/29-3/4*1 11/30=5/4-3/4*41/30=
5/4-41/40=(50-41)/40=9/40