ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:42Z
d/dr [r^8] = 8r^7
∑_{k=1}^{n} k = n(n+1)/2
257K
2β² + 4β + 1 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
159K
∑_{k=1}^{n} k = n(n+1)/2
270K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
437K
det| 9 4 ; 1 10 | = 86
442K
det| 11 3 ; 0 12 | = 132
det| 2 3 ; 5 3 | = -9
231K
det| 1 4 ; 2 2 | = -6
193K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
479K
det| 3 4 ; 7 4 | = -16