ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:00Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
302K
det| 11 2 ; 5 12 | = 122
312K
∇²ω = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
17K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
2H₂ + O₂ → 2H₂O
det| 5 6 ; 1 6 | = 24
68K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
39K
10r² + 7r + 5 = 0