ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:03Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
302K
∇²ω = 0
det| 12 9 ; 5 13 | = 111
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
17K
det| 7 4 ; 4 8 | = 40
310K
\oint_C \vec{F}\cdot d\vec{r} = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
264K
∑_{k=1}^{n} k = n(n+1)/2
68K