ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:53Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
302K
∇²ω = 0
\lim_{y\to 0} \frac{\sin y}{y} = 1
125K
det| 7 4 ; 4 8 | = 40
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
264K
2H₂ + O₂ → 2H₂O
det| 3 6 ; 0 4 | = 12
68K
10r² + 7r + 5 = 0