Помогите решить 1/3-1/2*(2/3)^3*(3/2)^2

Question

Помогите решить 1/3-1/2*(2/3)^3*(3/2)^2

Answer 1

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Answer 2

1/3-1/2*(2/3)^3*(3/2)^2=1/3-1/3*8/27*9/4=
=1/3-2=1/3-1 3/3=-1 2/3