Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:30Z
∑_{k=1}^{n} k = n(n+1)/2
3β² + 6β + 2 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 9 4 ; 1 10 | = 86
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F = ma
∫₀^∞ e^(-t²) dt = √π / 2
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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1x² + 5x + 7 = 0
∇²ψ = 0
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}