ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
302K
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 1 4 ; 3 2 | = -10
311K
det| 1 4 ; 2 2 | = -6
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2H₂ + O₂ → 2H₂O
10r² + 7r + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
6K