Ответ:
Пошаговое объяснение:
2 1/3 : ( 5/8 - 8/3 ) - 2 * 1 3/7= -3 6/7
( 5/8 - 8/3 )=15/24-64/24= -49/24
2 1/3 : (-49/24)=7/3*(-24/49)= -8/7
2 * 1 3/7=2/1*10/7=20/7
-49/24-20/7= -49*3/147-20*21/147= -147/147-420/147= -567/147= -81/21=
= -27/7= -3 6/7