Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:07Z
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
244K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
90K
2H₂ + O₂ → 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
50K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
137K
∫₀^∞ e^(-t²) dt = √π / 2
196K
∑_{k=1}^{n} k = n(n+1)/2
218K