Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:38Z
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
∑_{k=1}^{n} k = n(n+1)/2
52K
det| 8 8 ; 7 9 | = 16
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
det| 1 4 ; 2 2 | = -6
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{12}{6} \sum_{i=1}^{n} i^{2}
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
137K
det| 9 4 ; 1 10 | = 86
196K
det| 2 4 ; 4 3 | = -10
218K
det| 2 7 ; 7 3 | = -43
299K