Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 19:21Z
∇²y = 0
\frac{1}{9} \sum_{i=1}^{n} i^{2}
det| 4 2 ; 6 5 | = 8
122K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
CaCO₃ → CaO + CO₂
det| 5 7 ; 5 6 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
349K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
99K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
320K
\oint_C \vec{F}\cdot d\vec{r} = 0
341K
∇²r = 0