Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 23:24Z
det| 12 3 ; 2 13 | = 150
Fe₂O₃ + 3CO → 2Fe + 3CO₂
8K
∂y/∂φ = 5y
\binom{n}{k} = \frac{n!}{k!(n-k)!}
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
det| 2 4 ; 4 3 | = -10
264K
det| 7 4 ; 4 8 | = 40
276K
∫₀^∞ e^(-n²) dn = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
250K
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
62K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
256K
det| 2 6 ; 0 3 | = 6
164K