ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 17:41Z
7φ² + 7φ + 6 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
302K
det| 9 7 ; 3 10 | = 69
312K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
125K
9n² + 8n + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
17K
det| 7 4 ; 4 8 | = 40
310K
ΔS ≥ 0
\frac{11}{6} \sum_{i=1}^{n} i^{2}
311K
∑_{k=1}^{n} k = n(n+1)/2
264K
\oint_C \vec{F}\cdot d\vec{r} = 0
68K