Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:58Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{x\to 0} \frac{\sin x}{x} = 1
244K
det| 12 5 ; 4 13 | = 136
∑_{k=1}^{n} k = n(n+1)/2
90K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
100K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
50K
det| 4 9 ; 7 5 | = -43
AgNO₃ + NaCl → AgCl↓ + NaNO₃
137K
det| 1 1 ; 3 2 | = -1
det| 10 7 ; 3 11 | = 89
196K