ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
312K
∇²ω = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 1 ; 7 8 | = 49
311K
det| 4 6 ; 0 5 | = 20
264K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
68K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
39K
10r² + 7r + 5 = 0