ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:16Z
d/dr [r^8] = 8r^7
det| 1 4 ; 2 2 | = -6
259K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
257K
2β² + 4β + 1 = 0
det| 7 4 ; 4 8 | = 40
159K
∑_{k=1}^{n} k = n(n+1)/2
270K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
442K
det| 11 3 ; 0 12 | = 132
\binom{n}{k} = \frac{n!}{k!(n-k)!}
231K
det| 7 1 ; 7 8 | = 49
193K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
det| 12 1 ; 5 13 | = 151
479K