реши пример 8 - 8 * (1 1/6 - 2/3) :1 1/5

8 - 8 * (1 1/6 - 2/3) :1 1/5=

=8-(8*7/6-8*2/3)*5/6=

=8-(28/3-16/3)*5/6=

=8-12/3*5/6=

=8-10/3=7 3/3-10/3=6 6/3-10/3=

=5 13/3-10/3=5 3/3=6