ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:01Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{11}{6} \sum_{i=1}^{n} i^{2}
312K
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
125K
det| 6 6 ; 3 7 | = 24
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 7 ; 7 3 | = -43
17K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
39K
det| 9 5 ; 1 10 | = 85
364K