Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:04Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
479K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{12}{7} \sum_{i=1}^{n} i^{2}
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
276K
∑_{k=1}^{n} k = n(n+1)/2
257K