Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-21 09:22Z
∇²ω = 0
\frac{10}{5} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
313K
λ = h/p
\binom{n}{k} = \frac{n!}{k!(n-k)!}
300K
det| 10 7 ; 7 11 | = 61
det| 9 4 ; 1 10 | = 86
117K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
19K
∑_{k=1}^{n} k = n(n+1)/2
125K