Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 01:45Z
\frac{10}{8} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
∑_{k=1}^{n} k = n(n+1)/2
\frac{1}{7} \sum_{i=1}^{n} i^{2}
157K
11n² + 7n + 7 = 0
det| 4 8 ; 3 5 | = -4
170K
\frac{11}{8} \sum_{i=1}^{n} i^{2}
299K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
138K
det| 1 2 ; 7 2 | = -12
354K