Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 23:29Z
det| 12 3 ; 2 13 | = 150
det| 9 4 ; 1 10 | = 86
479K
∂y/∂φ = 5y
\frac{3}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
257K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
256K
∑_{k=1}^{n} k = n(n+1)/2
164K