Question

помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Ответ:

-97/15

Пошаговое объяснение:

-2(2,7-(-5/6)-1)-(6-3,4x(-5/6))-8(0,4-2)=

-2(27/10×(-5/6)-1)-(6-34/10×(-5/6))-8×(-1,6)=

-2(-27/12-1)-(6-17/6)-12,8=

-2(-27/12-12/12)-(36/6-17/6)-12,8=

-2x(-39/12)-19/6-128/10-39/6-19/6-128/10=20/

6-128/10-100/30-384/30=-284/30=-142/15=

-9 7/15