Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:09Z
∑_{k=1}^{n} k = n(n+1)/2
det| 12 5 ; 4 13 | = 136
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
\lim_{α\to 0} \frac{\sin α}{α} = 1
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
137K
det| 7 4 ; 4 8 | = 40
262K
det| 1 2 ; 7 2 | = -12
196K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
299K