I.- Potencias

628.629.
\large (a^{2})^{4}\large [(ab^{2})^{3}]^{4}
630.631.
\large (-x^{2}z^{3})^{3}\large (-2a^{4}b^{2}c)^{2}
632.633.
\large (-7a^{3}b^{2}c^{3})^{5}\large (5a^{6}b^{3}c^{2}d^{4})^{n}
634.635.
\large ([(a^{m})^{n}]^{r})^{s}\large ([(-3a^{2}b^{3}c^{3}d^{n})^{4}]^{r})^{s}
636.637.
\large (-5a^{-2}b^{2}d^{3})^{2}\large (\pm\, 3a^{2}bc^{3})^{2}
638.639.
\large (-a^{4}bd^{2})^{5}\large (2a^{3}bc^{2})^{3}
640.641.
\large (5a^{3}b^{2}c^{-2}d)^{-3}\large (5ab^{2}c^{3})^{3}
642.643.
\large (\frac{a^{3}}{a^{2}})^{4}\large (\frac{a^{2}b^{5}}{d^{2}c})^{4}
644.645.
\large (-\frac{3a^{2}c}{4bd^{3}})^{4}\large (-\frac{2a^{5}b^{2}c^{3}}{3d^{2}m^{5}})^{3}
646.647.
\large (\frac{5a^{4}b^{r}c^{s}}{6a^{3}b^{n}c^{t}})^{p}\large (x-a)^{4}
648.649.
\large (2a+b)^{5}\large (a+\frac{1}{a+1})^{2}
650.
\large (2a^{2}+3bc^{2})^{4}

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