Toán Lớp 7: 9^3×27^2/6^2×3^10
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Toán Lớp 7: 9^3×27^2/6^2×3^10
Giúp nhanh hộ mik nhé mng :333
Comments ( 2 )
\dfrac{{{9^3}{{.27}^2}}}{{{6^2}{{.3}^{10}}}} = \dfrac{{{{\left( {{3^2}} \right)}^3}.{{\left( {{3^3}} \right)}^2}}}{{{{\left( {2.3} \right)}^2}{{.3}^{10}}}}\\
= \dfrac{{{3^6}{{.3}^6}}}{{{2^2}{{.3}^2}{{.3}^{10}}}}\\
= \dfrac{{{3^{12}}}}{{{{4.3}^{12}}}}\\
= \dfrac{1}{4}
\end{array}$