ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:53Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
302K
∫₀^∞ e^(-t²) dt = √π / 2
312K
∇²ω = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
125K
det| 3 6 ; 0 4 | = 12
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
17K
det| 11 2 ; 5 12 | = 122
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
311K
CH₄ + 2O₂ → CO₂ + 2H₂O
264K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
39K
10r² + 7r + 5 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
6K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
λ = h/p