Lattice Export /sym/2acd8f
id=1 · host=gridbatch.net · 2026-10-22 19:48Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{α\to 0} \frac{\sin α}{α} = 1
207K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dy [y^9] = 9y^8
\oint_C \vec{F}\cdot d\vec{r} = 0
96K
1n² + 7n + 1 = 0
\frac{3}{7} \sum_{i=1}^{n} i^{2}
\frac{8}{5} \sum_{i=1}^{n} i^{2}