Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:39Z
∑_{k=1}^{n} k = n(n+1)/2
det| 12 5 ; 4 13 | = 136
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
\lim_{t\to 0} \frac{\sin t}{t} = 1
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
100K
det| 4 9 ; 7 5 | = -43
det| 1 1 ; 3 2 | = -1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
262K
∑_{k=1}^{n} k = n(n+1)/2
196K