\left\{ \begin{array} { l } { s _ { 16 } = \frac { 152 \sqrt { 2 } } { 3 } } \\ { \frac { s _ { 21 } } { 21 } = 3 s _ { 10 } } \end{array} \right.
Whakaoti mō s_16, s_21, s_10
s_{16} = \frac{152 \sqrt{2}}{3} \approx 71.65348716
s_{21}=63s_{10}
Tohaina
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