Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-19 23:05Z
∇²r = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
329K
e^{i\pi} + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
98K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
456K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
401K
∑_{k=1}^{n} k = n(n+1)/2
1K