kim08an

Пошаговое объяснение:

[(-7 1/3)×а×(-2/11)×b] / [(7/8)×b×a×(-2 2/3)] = [(-22/3)×a×(-2/11)b] / [(7/8)×b×a×(-8/3)] = [ (-2/3)×2] / (7× 1/3) = (-2×2)/7 = - 4/7 ≈ -0,57