tolong jawab y..pkai cranya #matematika kls 10

3.]
[tex] \frac{( 25^{ - \frac32}) (256^{ \frac12}) }{ 64^{\frac13} - 25^{ \frac12 }} \\
= \frac{ \sqrt{256} }{ ( \sqrt{25})^3( \sqrt[3]{64} - \sqrt{25})} \\
= \frac{16}{ 125(4 - 5)} \\
= - \frac{16}{125} [/tex]

4.]

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