Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 21:19Z
∂n/∂z = 1n
∑_{k=1}^{n} k = n(n+1)/2
244K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
52K
det| 12 1 ; 6 13 | = 150
det| 7 4 ; 4 8 | = 40
90K
CaCO₃ → CaO + CO₂
det| 8 5 ; 3 9 | = 57
137K
∑_{k=1}^{n} k = n(n+1)/2
197K
CH₄ + 2O₂ → CO₂ + 2H₂O
262K