Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 01:25Z
\frac{10}{8} \sum_{i=1}^{n} i^{2}
\frac{3}{2} \sum_{i=1}^{n} i^{2}
190K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
248K
11n² + 7n + 7 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
ΔS ≥ 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}