Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 01:19Z
\frac{12}{9} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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∫₀^∞ e^(-r²) dr = √π / 2
det| 9 4 ; 1 10 | = 86
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det| 5 3 ; 6 6 | = 12
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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F = ma
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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9x² + 6x + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
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det| 1 4 ; 0 2 | = 2
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ω = 2πf
PV = nRT