Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 18:13Z
∫₀^∞ e^(-α²) dα = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
11K
det| 11 9 ; 7 12 | = 69
∑_{k=1}^{n} k = n(n+1)/2
429K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
231K
\frac{11}{8} \sum_{i=1}^{n} i^{2}
195K
det| 1 1 ; 7 2 | = -5
det| 7 4 ; 4 8 | = 40
412K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
1K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
55K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
242K
\lim_{t\to 0} \frac{\sin t}{t} = 1
291K