Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:29Z
F = G m₁m₂ / r²
AgNO₃ + NaCl → AgCl↓ + NaNO₃
244K
\oint_C \vec{F}\cdot d\vec{r} = 0
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
100K
det| 8 4 ; 0 9 | = 72
det| 3 1 ; 4 4 | = 8
det| 9 4 ; 1 10 | = 86
262K
6z² + 6z + 7 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
218K
det| 8 9 ; 1 9 | = 63