Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 15:06Z
8θ² + 7θ + 3 = 0
det| 9 4 ; 1 10 | = 86
68K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
429K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 1 ; 5 2 | = -3
231K
det| 4 8 ; 3 5 | = -4
195K
∑_{k=1}^{n} k = n(n+1)/2
412K