Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:05Z
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
52K
det| 8 8 ; 7 9 | = 16
det| 5 6 ; 1 6 | = 24
90K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
197K
det| 10 3 ; 0 11 | = 110
CH₄ + 2O₂ → CO₂ + 2H₂O
262K
det| 1 2 ; 7 2 | = -12
196K
9z² + 8z + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂