ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 22:06Z
\frac{7}{5} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
302K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
312K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
125K
det| 7 4 ; 4 8 | = 40
91K
8t² + 2t + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
310K
d/dφ [φ^12] = 12φ^11
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
311K
CH₄ + 2O₂ → CO₂ + 2H₂O
264K
E = mc²
det| 3 6 ; 0 4 | = 12
68K
10r² + 8r + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
364K