Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:47Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 11 5 ; 0 12 | = 132
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
257K
∑_{k=1}^{n} k = n(n+1)/2
250K