ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 22:27Z
\frac{7}{5} \sum_{i=1}^{n} i^{2}
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
8t² + 2t + 1 = 0
d/dφ [φ^12] = 12φ^11
E = mc²
10r² + 8r + 1 = 0
det| 10 5 ; 2 11 | = 100
∑_{k=1}^{n} k = n(n+1)/2