Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:55Z
F = G m₁m₂ / r²
AgNO₃ + NaCl → AgCl↓ + NaNO₃
244K
det| 4 2 ; 3 5 | = 14
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
90K
2H₂ + O₂ → 2H₂O
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
100K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
50K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
137K
∫₀^∞ e^(-t²) dt = √π / 2
196K
∑_{k=1}^{n} k = n(n+1)/2
218K
∑_{k=1}^{n} k = n(n+1)/2
299K