Toán Lớp 8: $\dfrac{24.8^4}{27^2.4^3}$ = ?
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Toán Lớp 8: $\dfrac{24.8^4}{27^2.4^3}$ = ?
Comments ( 2 )
{24. 8^4}/{27^2. 4^3}
= {2^3. 3. 2^{12}}/{3^6. 2^6}
= {3. 2^{15}}/{3^6. 2^6}
= 2^9/3^5
= 512/243
Lời giải và giải thích chi tiết:
$\frac{24 .8^4}{27^2.4^3}$ = $\frac{2^3.3.2^{12}}{3^6.2^6}$ = $\frac{3.2^{15}}{3^6.2^6}$ = $\frac{2^9}{3^5}$ = $\frac{512}{243}$