Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 17:04Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\frac{1}{7} \sum_{i=1}^{n} i^{2}
11K
∇ × E = −∂B/∂t
det| 2 9 ; 0 3 | = 6
\frac{3}{2} \sum_{i=1}^{n} i^{2}
231K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
195K
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
412K
CaCO₃ → CaO + CO₂