2.5/100*545
\left(7^0+\sqrt{\frac{5^2-2^5}{-\left(2^3-3^{-2}\cdot 3^2\right)^{\:}}-1}\right)^5-\left(\frac{1}{4}\right)^{-2}
\left(7^0+\sqrt{\frac{5^2-2^5}{-\left(2^3-3^{-2}\cdot 3^2\right)^{ }}-1}\right)^5-\left(\frac{1}{4}\right)^{-2}
x-10% of x=20000
1750÷100
(√25 + -25) + (28)² + ½ ÷ ¾
√54a^3b^2
6x4