Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 21:42Z
∂n/∂z = 1n
det| 12 1 ; 6 13 | = 150
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
50K
det| 11 7 ; 0 12 | = 132
∑_{k=1}^{n} k = n(n+1)/2
197K
det| 9 4 ; 1 10 | = 86
196K
∑_{k=1}^{n} k = n(n+1)/2
299K