Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:09Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
10y² + 7y + 7 = 0
det| 8 2 ; 7 9 | = 58
158K
CaCO₃ → CaO + CO₂
10y² + 4y + 6 = 0
det| 4 7 ; 2 5 | = 6
139K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
344K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
201K
det| 9 4 ; 1 10 | = 86
295K
det| 9 6 ; 0 10 | = 90
399K