Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 15:05Z
8θ² + 7θ + 3 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
11K
CaCO₃ → CaO + CO₂
det| 7 2 ; 7 8 | = 42
429K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
231K
det| 1 1 ; 5 2 | = -3
195K
det| 7 4 ; 4 8 | = 40
339K