Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:07Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
479K
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
264K
∇²α = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
257K
det| 9 9 ; 5 10 | = 45
250K
ω = 2πf
\lim_{x\to 0} \frac{\sin x}{x} = 1
256K
PV = nRT
N₂ + 3H₂ ⇌ 2NH₃