Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 05:59Z
\frac{11}{2} \sum_{i=1}^{n} i^{2}
\frac{12}{7} \sum_{i=1}^{n} i^{2}
36K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
158K
4ψ² + 5ψ + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
240K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
376K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 5 ; 4 11 | = 90
139K
∑_{k=1}^{n} k = n(n+1)/2
344K
ω = 2πf
det| 7 4 ; 4 8 | = 40
91K
det| 5 8 ; 7 6 | = -26
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K