Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 17:42Z
CH₄ + 2O₂ → CO₂ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
244K
det| 3 1 ; 3 4 | = 9
det| 11 9 ; 0 12 | = 132
90K
\lim_{α\to 0} \frac{\sin α}{α} = 1
91K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
100K
\lim_{x\to 0} \frac{\sin x}{x} = 1
50K
5β² + 1β + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
137K
det| 4 6 ; 4 5 | = -4
197K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
262K
∑_{k=1}^{n} k = n(n+1)/2
196K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
218K