(-1\6 - 1\3) в третей степени. * (- 2 2\7) - 5\42

Благодарю)

( - 1/6 - 1/3 )^3 = ( - 1/6 - 2/6 )^3 = ( - 3/6 )^3 = ( - 1/2 )^3 = ( - 1/8 ) ( - 2 2/7 ) - 5/42 = - 2 12/42 - 5/42 = - 2 17/42 = - 101/42 - 1/8 • ( - 101/42 ) = 101/336 =