Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-08-18 04:47Z
∇²β = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 2 ; 3 8 | = 50
94K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 12 2 ; 3 13 | = 150
387K
det| 8 5 ; 6 9 | = 42
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
112K
\frac{10}{6} \sum_{i=1}^{n} i^{2}
227K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
242K
det| 1 9 ; 1 2 | = -7
161K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
155K
∑_{k=1}^{n} k = n(n+1)/2
357K