Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 14:53Z
det| 6 7 ; 4 7 | = 14
\binom{n}{k} = \frac{n!}{k!(n-k)!}
109K
∇ × E = −∂B/∂t
det| 7 3 ; 7 8 | = 35
det| 7 4 ; 4 8 | = 40
261K
ω = 2πf
\oint_C \vec{F}\cdot d\vec{r} = 0
352K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
349K
F = G m₁m₂ / r²
\frac{2}{2} \sum_{i=1}^{n} i^{2}
99K
∑_{k=1}^{n} k = n(n+1)/2
d/dβ [β^2] = 2β^1
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}