Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:54Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
\lim_{t\to 0} \frac{\sin t}{t} = 1
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
100K
det| 8 4 ; 0 9 | = 72
AgNO₃ + NaCl → AgCl↓ + NaNO₃
137K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
218K