Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:13Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
2H₂ + O₂ → 2H₂O
\frac{8}{6} \sum_{i=1}^{n} i^{2}
100K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
50K
det| 8 4 ; 0 9 | = 72
AgNO₃ + NaCl → AgCl↓ + NaNO₃
137K
det| 7 4 ; 4 8 | = 40
197K
det| 3 1 ; 4 4 | = 8
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
262K
det| 10 7 ; 3 11 | = 89
196K
∑_{k=1}^{n} k = n(n+1)/2
218K