Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 17:55Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
68K
∇ × E = −∂B/∂t
det| 1 1 ; 5 2 | = -3
406K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
429K
det| 2 9 ; 0 3 | = 6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
195K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
412K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
1K
CaCO₃ → CaO + CO₂
det| 8 2 ; 7 9 | = 58
55K
∑_{k=1}^{n} k = n(n+1)/2
242K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
339K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
291K