Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 06:10Z
det| 8 1 ; 6 9 | = 66
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
det| 9 4 ; 1 10 | = 86
91K
1n² + 9n + 0 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
100K
det| 12 9 ; 5 13 | = 111
50K
F = ma
∑_{k=1}^{n} k = n(n+1)/2
137K
d/dω [ω^6] = 6ω^5
\frac{11}{6} \sum_{i=1}^{n} i^{2}
262K
∫₀^∞ e^(-n²) dn = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 1 ; 5 6 | = 25