█████ ███

█████ ██████

████ ██ █████ ████ ██ ██████ {█, █, █, ██}. █████ ██████ ███: ${\displaystyle \overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})/\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$.

████ ███ ██████ ████ █████: ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\sqrt{\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\cdot \left[(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\right]}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>.<span\; word-length="3"\; class="word\; redacted">███</span>}}$

█████ █████ ████ ███ ████████ █████ ██ ██████ ██████ ███ ████ █████ ██████ ███ ██████ (██████████) ████ █████████ █████. ██████: ████ ████ █████ ██████ ██ ██ █████ ████████ ██████ ███████ ██ ███ ██████████ ███████. ██████ ████ ██ ████ ██████ █████ █████ ██ █████ ███ ██████████ ████ ███████ ██████ ██████ ████ ███ ████ ████. █████ ████ ██ ████ ██ █████ ████ ███████ (███ ████).

█████ █████ ██████

████ ██ █████ █' █████ █ ███████ █████, ████████ ████ ██ {██, ██, ██, ██}.

██████ ██████ ███: ${\displaystyle \overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}=\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}=(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}+\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}+\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}+\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>})/\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$.

████ ███ ██████ ████ █████ ██ █████ ████: ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\sqrt{\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\cdot \left[(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\right]}=\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>.<span\; word-length="2"\; class="word\; redacted">██</span>}}$

███, ████ ██ █████ █' █████ █ ███████ █████, ████████ ████ ██ {██, ██, ██, ██, ██}.

██████ ██████ █████ █' ███ ██████ ██████ ██████ █', ████ █: ${\displaystyle \overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}=\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}=(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}+\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}+\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}+\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}+\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>})/\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$.

████, █████ ████ ████ █████ ████ ████, ████ █: ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\sqrt{\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\cdot \left[(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+(\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}-\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}{)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\right]}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>.<span\; word-length="3"\; class="word\; redacted">███</span>}}$

███████ ████████ ██████ █████ ████ ███████

${\displaystyle \sqrt{\frac{\sum _{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\left(\overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\right)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}};\sqrt{\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\sum _{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}-{\left(\sum _{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\right)}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}}}$ ;{\████ {\████ {█\███ █{█=█}^{█}{{██{█}}^{█}}-\████(\███ █{█=█}^{█}{██{█}}\█████)^{█}}{█(█-█)}}}}