$373,744-6,58$

$\lim_{x\to1}\left(\frac{4-4x+4\ln\left(x\right)}{7+7cos\left(\pi x\right)}\right)$

$\sqrt[6]{64n^4n^6}-\sqrt[9]{n^6n^9}$

$-3\left(4x-1\right)+9x+8x$

$\sqrt[3]{a^2}.\frac{\sqrt[4]{a^3}}{\sqrt[6]{a^5}}$

$1-1+\left(-76+65-\left(-3\right)-4\right)$

$6\:\left(7s\right)$