Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:28Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
36K
10y² + 7y + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
158K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
240K
∑_{k=1}^{n} k = n(n+1)/2
376K
10y² + 4y + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 7 ; 4 8 | = 28
91K
∑_{k=1}^{n} k = n(n+1)/2
201K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K