Nomor 2 dan 3 sm.caranya.... Question from @Yuhwa

October 2018 2 38 Report

Nomor 2 dan 3 sm.caranya

izharulhaq78 $3.$
$32^{\frac{4}{5}}-9^{-\frac{1}{2}}+(\frac{1}{125})^{-\frac{2}{3}}\\(2^5)^{\frac{4}{5}}-(3^2)^{-\frac{1}{2}}+(125^{-1})^{-\frac{2}{3}}\\2^{5\times\frac{4}{5}}-3^{2\times(-\frac{1}{2})}+(5^3)^{-1\times(-\frac{2}{3})}\\2^{4}-3^{-1}+5^{3\times\frac{2}{3}}\\2^{4}-3^{-1}+5^{2}\\16-\frac{1}{3}+25\\41-\frac{1}{3}\\40\frac{2}{3}$

$4.$
$\frac{12}{\sqrt{7}-1}\times\frac{\sqrt{7}+1}{\sqrt{7}+1}\\\frac{12(\sqrt{7}+1)}{(\sqrt{7})^2-1^2}\\\frac{12(\sqrt{7}+1)}{7-1}\\\frac{12(\sqrt{7}+1)}{6}\\2(\sqrt{7}+1)\\2\sqrt{7}+2$

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ananekusuma21 3) (2 pangkat 5) pngkat 4/5 - (3²) pngkat -1/2 + (5 pngkat -3) pngkat -2/3

= (2 pngkat 4) - (3 pngkat -1) + (5²)
= 16 - 1/3 + 25
= 41 - 1/3
= 123/3 - 1/3 = 122/3 = 40 2/3(B)

4) 12 / √7 - 1 . √7 + 1 / √7 + 1 = 12√7 + 12 / 7 -1
= 12√7 + 12 / 6
= 2√7 + 2 (A)

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Hasil dari 2 pangkat 80 + 2 pangkat 82 -----------------------------: (dibagi) 2 pangkat 82 - 2 pangkat 80

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