(4/15+2/3):2/5=
(4/15+10/15):2/5=
14/15:2/5=7/3=2 1/3
8/11•(5/6-3/8)=
8/11•(20/24-9/24)=
8/11•11/24=1/3
3/8•(7/12+3/4)=
3/8•(7/12+9/12)=
3/8•16/12=2/4
3/5:(4/5-1/2)=
3/5:(8/10-5/10)=
3/5:3/10=2
Пошаговое объяснение:
(4/15+2/3):2/5=
(4/15+10/15):2/5=
14/15:2/5=7/3=2 1/3
8/11•(5/6-3/8)=
8/11•(20/24-9/24)=
8/11•11/24=1/3
3/8•(7/12+3/4)=
3/8•(7/12+9/12)=
3/8•16/12=2/4
3/5:(4/5-1/2)=
3/5:(8/10-5/10)=
3/5:3/10=2
Пошаговое объяснение: