Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
det| 8 4 ; 7 9 | = 44
358K
∑_{k=1}^{n} k = n(n+1)/2
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CaCO₃ → CaO + CO₂
det| 12 3 ; 7 13 | = 135
399K
det| 9 8 ; 1 10 | = 82
\frac{12}{4} \sum_{i=1}^{n} i^{2}
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
67K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
97K
det| 3 3 ; 0 4 | = 12
338K