Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 16:43Z
CH₄ + 2O₂ → CO₂ + 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
244K
det| 8 6 ; 2 9 | = 60
\binom{n}{k} = \frac{n!}{k!(n-k)!}
90K
∑_{k=1}^{n} k = n(n+1)/2
91K
d/dx [x^1] = 1x^0
2n² + 7n + 5 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
137K
det| 5 6 ; 1 6 | = 24
197K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 6 ; 0 10 | = 90
218K
∇²ω = 0
d/dy [y^10] = 10y^9