Field Notes / Σ /sym/222cca
id=7 · host=formula-vault.cloud · 2026-10-02 01:35Z
2H₂ + O₂ → 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
279K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
det| 11 9 ; 2 12 | = 114
∑_{k=1}^{n} k = n(n+1)/2
det| 1 4 ; 3 2 | = -10
22K
7n² + 1n + 6 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
247K
\frac{8}{5} \sum_{i=1}^{n} i^{2}
\frac{7}{7} \sum_{i=1}^{n} i^{2}
467K
\lim_{t\to 0} \frac{\sin t}{t} = 1
462K
det| 12 2 ; 2 13 | = 152
342K
det| 9 2 ; 5 10 | = 80
85K
det| 12 7 ; 2 13 | = 142
197K
∫₀^∞ e^(-ω²) dω = √π / 2
272K