ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:00Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
302K
∇²ω = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
125K
∑_{k=1}^{n} k = n(n+1)/2
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
17K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
311K
det| 4 8 ; 0 5 | = 20
264K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
39K