Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:10Z
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
244K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
50K
det| 8 4 ; 0 9 | = 72
\binom{n}{k} = \frac{n!}{k!(n-k)!}
137K
det| 9 4 ; 1 10 | = 86
262K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
196K
∑_{k=1}^{n} k = n(n+1)/2
218K