Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:27Z
F = G m₁m₂ / r²
\frac{12}{6} \sum_{i=1}^{n} i^{2}
244K
det| 12 9 ; 5 13 | = 111
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
100K
∑_{k=1}^{n} k = n(n+1)/2
50K
\frac{12}{7} \sum_{i=1}^{n} i^{2}
262K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
196K
\oint_C \vec{F}\cdot d\vec{r} = 0
299K