ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 23:23Z
det| 6 7 ; 2 7 | = 28
det| 1 1 ; 5 2 | = -3
302K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
312K
d/dz [z^9] = 9z^8
det| 8 4 ; 6 9 | = 48
125K
CH₄ + 2O₂ → CO₂ + 2H₂O
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
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∑_{k=1}^{n} k = n(n+1)/2
310K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
311K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\lim_{x\to 0} \frac{\sin x}{x} = 1
68K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
364K