Đáp án:
$\left(\dfrac34\right)^{10}$
Giải thích các bước giải:
$\left[\left(\dfrac{-1}{2}\right)^{\large 5}\right]^{\large 2}:\left[\left(\dfrac{-2}{3}\right)^{\large 2}\right]^{\large 5}\\=\left(\dfrac{-1}{2}\right)^{\large 10}:\left(\dfrac{-2}{3}\right)^{\large 10}\\=\left(\dfrac{-1}{2}:\dfrac{-2}{3}\right)^{\large 10}\\=\left(\dfrac34\right)^{\large 10}$
