ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:52Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{6}{3} \sum_{i=1}^{n} i^{2}
17K
det| 9 4 ; 1 10 | = 86
311K
det| 4 6 ; 0 5 | = 20
264K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
39K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
364K