Formula Ledger /sym/c66430
id=566467 · host=findroms.cloud · 2026-08-30 18:43Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 2 ; 1 8 | = 54
76K
\frac{9}{2} \sum_{i=1}^{n} i^{2}
\lim_{α\to 0} \frac{\sin α}{α} = 1
260K
det| 6 3 ; 1 7 | = 39
377K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
179K
∑_{k=1}^{n} k = n(n+1)/2
344K