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
\frac{2}{2} \sum_{i=1}^{n} i^{2}
125K
det| 9 4 ; 1 10 | = 86
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 1 ; 7 10 | = 83
17K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{x\to 0} \frac{\sin x}{x} = 1
264K
2H₂ + O₂ → 2H₂O
\frac{6}{3} \sum_{i=1}^{n} i^{2}
68K
10r² + 7r + 5 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
λ = h/p