Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:14Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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CH₄ + 2O₂ → CO₂ + 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
102K
det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 7 ; 7 3 | = -43
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