ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
302K
∑_{k=1}^{n} k = n(n+1)/2
312K
∇²ω = 0
det| 10 4 ; 1 11 | = 106
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
264K
2H₂ + O₂ → 2H₂O
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
39K
10r² + 7r + 5 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
364K
∫₀^∞ e^(-x²) dx = √π / 2
6K
AgNO₃ + NaCl → AgCl↓ + NaNO₃