Jawabanmu

2014-08-28T20:54:42+07:00
1.  \frac{2 \sqrt{2} }{ \sqrt{48} } ×  \frac{ \sqrt{48} }{ \sqrt{48} } =
 \frac{2 \sqrt{96} }{48} =  \frac{8 \sqrt{6} }{48} = \frac{ \sqrt{6} }{6}
2. 4-√2 / 4+4√3 × 4-√3 / 4-√3 = 16-16√3-4√2+4√6/4
3. xy / √x+√y × √x-√y/√x-√y=x \sqrt{x} y-xy \sqrt{y} / x-y




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