Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 01:59Z
\frac{12}{9} \sum_{i=1}^{n} i^{2}
det| 11 9 ; 5 12 | = 87
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∫₀^∞ e^(-r²) dr = √π / 2
\lim_{α\to 0} \frac{\sin α}{α} = 1
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det| 5 3 ; 6 6 | = 12
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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F = ma
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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9x² + 6x + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
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