ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:50Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
17K
∑_{k=1}^{n} k = n(n+1)/2
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 7 ; 3 10 | = 69
68K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
39K
det| 11 9 ; 5 12 | = 87
6K