Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:13Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
465K
\lim_{α\to 0} \frac{\sin α}{α} = 1
154K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
230K
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
152K
11θ² + 3θ + 2 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
255K
det| 2 3 ; 5 3 | = -9
173K
det| 7 7 ; 6 8 | = 14
det| 4 7 ; 2 5 | = 6
329K
7ψ² + 4ψ + 3 = 0
∫₀^∞ e^(-φ²) dφ = √π / 2
180K
AgNO₃ + NaCl → AgCl↓ + NaNO₃