ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:09Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 7 ; 7 3 | = -43
302K
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 8 ; 4 2 | = -30
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
39K
10r² + 7r + 5 = 0