Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 15:38Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 10 2 ; 3 11 | = 104
168K
det| 12 4 ; 1 13 | = 152
∑_{k=1}^{n} k = n(n+1)/2
144K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
371K
ΔS ≥ 0
\frac{3}{2} \sum_{i=1}^{n} i^{2}
259K
∑_{k=1}^{n} k = n(n+1)/2
86K
\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
224K
det| 7 4 ; 4 8 | = 40
218K
det| 5 2 ; 3 6 | = 24
354K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
70K