Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:00Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 2 4 ; 4 3 | = -10
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
276K
∇²α = 0
det| 1 2 ; 7 2 | = -12
257K
∑_{k=1}^{n} k = n(n+1)/2
250K
ω = 2πf
PV = nRT
N₂ + 3H₂ ⇌ 2NH₃