December 2018 1 198 Report
\star\ \bigstar\ \bold{\boxed{\bold{Brain\ Tester}}}\ \bigstar\ \star

Materi : Sistem Persamaan Kuadrat
Jenjang : SMP

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Soal

\displaystyle\ \text{Diketahui : }\\ \\ \displaystyle{ x - y = \frac{1}{2 - \sqrt{3} } } \\ \\ \displaystyle{y - z = \frac{1}{2 + \sqrt{3}}} \\ \\ \text{Tentukanlah nilai } \displaystyle{x^2 + y^2 + z^2 - xy - yz - xz}


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