ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:04Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 6 4 ; 4 7 | = 26
17K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
311K
det| 12 1 ; 5 13 | = 151
264K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
39K
∑_{k=1}^{n} k = n(n+1)/2
364K