Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:36Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 8 ; 3 5 | = -4
52K
det| 12 5 ; 4 13 | = 136
\lim_{t\to 0} \frac{\sin t}{t} = 1
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
100K
∑_{k=1}^{n} k = n(n+1)/2
50K
det| 4 9 ; 7 5 | = -43
det| 1 1 ; 3 2 | = -1
det| 12 9 ; 3 13 | = 129
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
det| 9 4 ; 1 10 | = 86
299K
F = ma
CaCO₃ → CaO + CO₂