Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:28Z
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
52K
det| 8 8 ; 7 9 | = 16
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
100K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
197K
det| 10 3 ; 0 11 | = 110
det| 2 6 ; 0 3 | = 6
262K
2z² + 3z + 3 = 0
9z² + 8z + 1 = 0
det| 1 8 ; 1 2 | = -6
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂