Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 14:02Z
1y² + 4y + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
248K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
170K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
299K
E = mc²
\frac{12}{6} \sum_{i=1}^{n} i^{2}
244K
ΔS ≥ 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
138K
10ψ² + 6ψ + 7 = 0