Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 23:55Z
det| 12 3 ; 2 13 | = 150
∑_{k=1}^{n} k = n(n+1)/2
479K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
8K
∂y/∂φ = 5y
\frac{3}{2} \sum_{i=1}^{n} i^{2}
\frac{11}{6} \sum_{i=1}^{n} i^{2}
264K
∫₀^∞ e^(-n²) dn = √π / 2
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
46K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{2}{6} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}