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| 12 9 ; 5 13 | = 111
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{2}{2} \sum_{i=1}^{n} i^{2}
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
∇²α = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
257K
det| 9 4 ; 1 10 | = 86
250K
ω = 2πf
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
62K
∑_{k=1}^{n} k = n(n+1)/2
46K