((4×2)−2)7=
\( \left(\left(4\times2\right)^{-2}\right)^7= \)
\( \left(\left(5\times3\right)^4\right)^{-3}= \)
\( \left(\left(7\times6\right)^{-5}\right)^3= \)
\( \left(\left(8\times4\right)^{-7}\right)^6= \)
\( \)\( \left(\left(3\times9\right)^8\right)^{-5}= \)