Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 17:52Z
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
244K
det| 3 1 ; 3 4 | = 9
det| 11 9 ; 0 12 | = 132
90K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 11 2 ; 5 12 | = 122
100K
5β² + 1β + 1 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
137K
det| 9 4 ; 1 10 | = 86
197K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
262K
\frac{9}{1} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
218K
det| 7 2 ; 3 8 | = 50
299K
∇²θ = 0
ΔS ≥ 0