ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 23:45Z
det| 6 7 ; 2 7 | = 28
det| 9 4 ; 1 10 | = 86
302K
∑_{k=1}^{n} k = n(n+1)/2
312K
d/dz [z^9] = 9z^8
\lim_{x\to 0} \frac{\sin x}{x} = 1
125K
\lim_{y\to 0} \frac{\sin y}{y} = 1
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
264K
det| 5 9 ; 7 6 | = -33
39K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
6K