$$3^{11}+3^{11}+3^{11}$$
$$3^{11}(1+1+1)$$
$$3^{11}(3)$$
$$3^{11+1}$$
$$3^{12}$$
$$\left ( \frac{18\times 25}{2^{3}\times 3^{1}\times 5^{2}} \right )^{\frac{1}{2}}$$ $$=\left ( \frac{2\times 3^{2}\times 5^{2}}{2^{3}\time...
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