ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:50Z
d/dr [r^8] = 8r^7
det| 9 4 ; 1 10 | = 86
259K
det| 5 3 ; 7 6 | = 9
257K
2β² + 4β + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
159K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
437K
det| 11 3 ; 0 12 | = 132
det| 9 1 ; 7 10 | = 83
231K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂