ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 17:50Z
7φ² + 7φ + 6 = 0
det| 9 4 ; 1 10 | = 86
302K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
312K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
125K
∑_{k=1}^{n} k = n(n+1)/2
91K
9n² + 8n + 4 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
17K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
310K
ΔS ≥ 0
\frac{1}{7} \sum_{i=1}^{n} i^{2}
264K
E = mc²
Fe₂O₃ + 3CO → 2Fe + 3CO₂
68K