2×4223×45=
\( \frac{2^3\times4^5}{2\times4^2}= \)
\( \frac{6^7\times8^5}{8^6\times6^2}= \)
\( \frac{a^5\times b^3\times x^2}{a^2\times b\times x}= \)
\( \frac{\left(2\times3\right)^4\times\left(6\times7\right)^7}{\left(2\times3\right)^2\times\left(6\times7\right)^4}= \)
a'+b' son correctos