ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 03:27Z
9θ² + 9θ + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
312K
∫₀^∞ e^(-γ²) dγ = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
CaCO₃ → CaO + CO₂
\frac{1}{7} \sum_{i=1}^{n} i^{2}
311K
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
68K
det| 7 4 ; 4 8 | = 40
39K
det| 5 7 ; 2 6 | = 16
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
λ = h/p
Fe₂O₃ + 3CO → 2Fe + 3CO₂