Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:04Z
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
det| 8 8 ; 7 9 | = 16
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 10 7 ; 1 11 | = 103
100K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
137K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
197K
det| 10 3 ; 0 11 | = 110
∑_{k=1}^{n} k = n(n+1)/2
262K
9z² + 8z + 1 = 0
det| 2 7 ; 7 3 | = -43
218K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
299K