Lattice Export /sym/e70bc0
id=270975 · host=aw-evid.world · 2026-08-17 16:01Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
255K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
424K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
436K
∑_{k=1}^{n} k = n(n+1)/2