Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 17:12Z
\frac{5}{6} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
det| 4 6 ; 4 5 | = -4
122K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
det| 11 7 ; 6 12 | = 90
∑_{k=1}^{n} k = n(n+1)/2
250K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{x\to 0} \frac{\sin x}{x} = 1
352K
\oint_C \vec{F}\cdot d\vec{r} = 0
349K
CH₄ + 2O₂ → CO₂ + 2H₂O
∇²t = 0
det| 7 4 ; 4 8 | = 40
320K
∑_{k=1}^{n} k = n(n+1)/2
341K
2ω² + 5ω + 7 = 0