Пошаговое объяснение:
2 1/3:(5/8-8/3)-2×1 3/7=
=7/3:((15-64)/24)-2×10/7
7/3:(-49/24)-20/7=
= - 7/3×24/49-20/7= - 8/7-20/7=
= - 28/7= - 4
Пошаговое объяснение:
2 1/3:(5/8-8/3)-2×1 3/7=
=7/3:((15-64)/24)-2×10/7
7/3:(-49/24)-20/7=
= - 7/3×24/49-20/7= - 8/7-20/7=
= - 28/7= - 4