\(\dfrac{\left(-5\right)^{60}.3^{50}}{15^5.5^{61}}\)

\(\left(-0,4\right)^2-\left(-0,4\right)^3\times\left(-3\right)\)

\(2^3+3\left(\dfrac{1}{3}\right)^0-2^{-2}\times4+\left[\left(-2\right)^2\div\dfrac{1}{2}\right]\times8\)

\(\dfrac{\left(-3\right)^{10}\times15^5}{25^3\times\left(-9\right)^7}\)

\(\left(\dfrac{-1}{3}\right)^2-\left(\dfrac{-12}{17}\right)^0+\left(\dfrac{-1}{2}\right)^3\times4^2\)

\(\dfrac{\left(-5\right)^{60}\times3^{50}}{15^5\times5^{61}}\)