Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:22Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
269K
10y² + 7y + 7 = 0
det| 7 4 ; 4 8 | = 40
131K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
376K
10y² + 4y + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
139K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 2 ; 7 2 | = -12
91K
det| 11 9 ; 5 12 | = 87
201K
∑_{k=1}^{n} k = n(n+1)/2
295K