ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 03:11Z
9θ² + 9θ + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
312K
∫₀^∞ e^(-γ²) dγ = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
CaCO₃ → CaO + CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
311K
∇ × E = −∂B/∂t
det| 12 9 ; 5 13 | = 111
68K
det| 3 7 ; 2 4 | = -2
39K
det| 5 7 ; 2 6 | = 16
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
λ = h/p
Fe₂O₃ + 3CO → 2Fe + 3CO₂