Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:37Z
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
244K
det| 8 8 ; 7 9 | = 16
∑_{k=1}^{n} k = n(n+1)/2
90K
det| 2 7 ; 7 3 | = -43
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
100K
det| 7 4 ; 4 8 | = 40
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 5 ; 4 11 | = 90
137K
det| 2 6 ; 0 3 | = 6
197K
det| 10 3 ; 0 11 | = 110
∑_{k=1}^{n} k = n(n+1)/2
196K
9z² + 8z + 1 = 0
det| 1 8 ; 1 2 | = -6