Jawabanmu

2014-08-27T21:33:10+07:00
( -\frac{2}{3})^{4}( \frac{1}{2}- \frac{1}{6})^{2}=    ( -\frac{2}{3})^{4}( \frac{1}{3})^{2}= \frac{2^{4}}{3^{4+2}}=  \frac{16}{729}

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