Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 21:43Z
∂n/∂z = 1n
det| 12 1 ; 6 13 | = 150
det| 3 6 ; 0 4 | = 12
90K
det| 9 4 ; 1 10 | = 86
91K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
100K
∑_{k=1}^{n} k = n(n+1)/2
50K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
137K