Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:07Z
F = G m₁m₂ / r²
Fe₂O₃ + 3CO → 2Fe + 3CO₂
244K
det| 9 9 ; 5 10 | = 45
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 6 ; 4 5 | = -4
90K
2H₂ + O₂ → 2H₂O
det| 12 9 ; 5 13 | = 111
100K
det| 8 4 ; 0 9 | = 72
det| 11 9 ; 5 12 | = 87
137K
∑_{k=1}^{n} k = n(n+1)/2
197K
det| 3 1 ; 4 4 | = 8
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
196K
6z² + 6z + 7 = 0
det| 7 4 ; 4 8 | = 40
218K
∑_{k=1}^{n} k = n(n+1)/2
299K