Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:24Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{12}{7} \sum_{i=1}^{n} i^{2}
102K
det| 9 4 ; 1 10 | = 86
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
264K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
∇²α = 0
∑_{k=1}^{n} k = n(n+1)/2
250K
ω = 2πf
\lim_{t\to 0} \frac{\sin t}{t} = 1
62K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
256K
PV = nRT
\binom{n}{k} = \frac{n!}{k!(n-k)!}
164K