ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:35Z
d/dr [r^8] = 8r^7
\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
2β² + 4β + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
159K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
270K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 12 1 ; 5 13 | = 151
437K
det| 1 2 ; 7 2 | = -12
442K
det| 11 3 ; 0 12 | = 132
det| 5 9 ; 7 6 | = -33
231K
det| 7 4 ; 4 8 | = 40
193K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
det| 3 7 ; 2 4 | = -2
202K