Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:10Z
9y² + 1y + 4 = 0
det| 7 4 ; 4 8 | = 40
40K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
det| 2 4 ; 4 3 | = -10
176K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
306K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
374K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
112K