ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 22:36Z
\frac{7}{5} \sum_{i=1}^{n} i^{2}
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
125K
∑_{k=1}^{n} k = n(n+1)/2
91K
8t² + 2t + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
17K
d/dφ [φ^12] = 12φ^11
\frac{1}{7} \sum_{i=1}^{n} i^{2}
311K
E = mc²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
39K
10r² + 8r + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
6K
∑_{k=1}^{n} k = n(n+1)/2