Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:29Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
479K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 7 ; 4 8 | = 28
264K
det| 9 7 ; 3 10 | = 69
276K
∇²α = 0
det| 3 6 ; 0 4 | = 12
257K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
250K
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
256K