( \frac { 2,17 ^ { 2 } } { 2 } + 2 \cdot \sqrt { 2,7 } ) - ( \frac { 1,5 ^ { 2 } } { 2 } + 2 \cdot \sqrt { 15 } )
Evaluate
\frac{3\sqrt{30}}{5}+276,5-2\sqrt{15}\approx 272.040368653
Factor
\frac{6 \sqrt{30} + 2765 - 20 \sqrt{15}}{10} = 272.04036865261617
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