Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 22:27Z
∂θ/∂γ = 6θ
det| 9 4 ; 1 10 | = 86
428K
9γ² + 2γ + 3 = 0
∑_{k=1}^{n} k = n(n+1)/2
270K
∑_{k=1}^{n} k = n(n+1)/2
\frac{9}{8} \sum_{i=1}^{n} i^{2}
det| 8 2 ; 4 9 | = 64
det| 8 7 ; 3 9 | = 51
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 4 2 ; 2 5 | = 16
CaCO₃ → CaO + CO₂