Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 15:06Z
8θ² + 7θ + 3 = 0
CaCO₃ → CaO + CO₂
det| 4 8 ; 3 5 | = -4
406K
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| 7 4 ; 4 8 | = 40
339K