Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:37Z
∂r/∂ψ = 3r
\binom{n}{k} = \frac{n!}{k!(n-k)!}
193K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
322K
∑_{k=1}^{n} k = n(n+1)/2
235K
∂ψ/∂φ = 4ψ
\frac{12}{6} \sum_{i=1}^{n} i^{2}
212K
det| 9 9 ; 5 10 | = 45
362K
det| 10 3 ; 5 11 | = 95
det| 7 4 ; 4 8 | = 40
179K
det| 3 3 ; 4 4 | = 0
405K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
det| 2 6 ; 0 3 | = 6
442K
F = G m₁m₂ / r²