ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:11Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
302K
∑_{k=1}^{n} k = n(n+1)/2
312K
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 2 ; 3 6 | = 24
17K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{2}{2} \sum_{i=1}^{n} i^{2}
264K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
68K
CH₄ + 2O₂ → CO₂ + 2H₂O
39K
10r² + 7r + 5 = 0
det| 9 4 ; 1 10 | = 86
364K
e^{i\pi} + 1 = 0