ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:01Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 2 ; 3 10 | = 84
17K
∫₀^∞ e^(-x²) dx = √π / 2
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
311K
det| 7 4 ; 4 8 | = 40
264K
2H₂ + O₂ → 2H₂O
det| 11 9 ; 0 12 | = 132
39K
∑_{k=1}^{n} k = n(n+1)/2
364K