ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:13Z
d/dr [r^8] = 8r^7
Fe₂O₃ + 3CO → 2Fe + 3CO₂
259K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
257K
2β² + 4β + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
159K
det| 11 9 ; 0 12 | = 132
270K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
437K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
442K
det| 11 3 ; 0 12 | = 132
det| 7 4 ; 4 8 | = 40
231K
det| 9 5 ; 6 10 | = 60
193K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
202K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
22K