Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:09Z
F = G m₁m₂ / r²
det| 7 4 ; 4 8 | = 40
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
91K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
100K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
50K
det| 8 4 ; 0 9 | = 72
\oint_C \vec{F}\cdot d\vec{r} = 0
137K
∫₀^∞ e^(-y²) dy = √π / 2
197K
det| 3 1 ; 4 4 | = 8
det| 3 7 ; 7 4 | = -37
6z² + 6z + 7 = 0