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By what number should ((-3)/2)^-3 be div...

By what number should `((-3)/2)^-3` be divided so that the quotient may be `(4/27)^-2` ?

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`{(-3/2)^-3}-:x=(4/27)^-2`
`{(-2/3)^3} xx1/x=(27/4)^2`
`(-8/27)xx(16/729)=x`
`128/19683`
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