Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:44Z
F = G m₁m₂ / r²
\frac{8}{6} \sum_{i=1}^{n} i^{2}
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
2H₂ + O₂ → 2H₂O
\frac{11}{6} \sum_{i=1}^{n} i^{2}
100K
det| 7 4 ; 4 8 | = 40
50K
det| 8 4 ; 0 9 | = 72
\oint_C \vec{F}\cdot d\vec{r} = 0
197K
det| 3 1 ; 4 4 | = 8