Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 01:28Z
\frac{10}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
248K
det| 9 4 ; 1 10 | = 86
157K
11n² + 7n + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
170K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 7 9 ; 1 8 | = 47
105K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
138K