ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 23:19Z
det| 6 7 ; 2 7 | = 28
∑_{k=1}^{n} k = n(n+1)/2
302K
d/dz [z^9] = 9z^8
∑_{k=1}^{n} k = n(n+1)/2
125K
det| 7 1 ; 7 8 | = 49
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
17K
det| 7 4 ; 4 8 | = 40
310K
CaCO₃ → CaO + CO₂
det| 1 4 ; 3 2 | = -10
311K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 7 7 ; 4 8 | = 28
39K
7z² + 4z + 5 = 0
1β² + 8β + 6 = 0