Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:10Z
F = G m₁m₂ / r²
det| 9 4 ; 1 10 | = 86
244K
\oint_C \vec{F}\cdot d\vec{r} = 0
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
90K
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
2H₂ + O₂ → 2H₂O
det| 11 2 ; 5 12 | = 122
100K
∑_{k=1}^{n} k = n(n+1)/2
50K
det| 8 4 ; 0 9 | = 72
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
197K
det| 3 1 ; 4 4 | = 8
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
262K
∑_{k=1}^{n} k = n(n+1)/2
196K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K