Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 03:54Z
det| 1 9 ; 3 2 | = -25
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
190K
∇ × E = −∂B/∂t
\oint_C \vec{F}\cdot d\vec{r} = 0
157K
6t² + 6t + 7 = 0
det| 5 6 ; 4 6 | = 6
170K
det| 3 9 ; 1 4 | = 3
299K
∑_{k=1}^{n} k = n(n+1)/2
∂β/∂n = 7β
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
433K