Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 01:08Z
\frac{10}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
218K
det| 9 4 ; 1 10 | = 86
190K
∑_{k=1}^{n} k = n(n+1)/2
11n² + 7n + 7 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
244K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
105K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 1 8 ; 4 2 | = -30
100K
det| 5 6 ; 4 6 | = 6
138K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{5} \sum_{i=1}^{n} i^{2}