Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:23Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
36K
10y² + 7y + 7 = 0
\frac{11}{6} \sum_{i=1}^{n} i^{2}
158K
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
240K
10y² + 4y + 6 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
139K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
201K
∑_{k=1}^{n} k = n(n+1)/2
399K