Symbolic Index /sym/a39bc6
id=12 · host=au.commstar.world · 2026-08-18 22:16Z
2r² + 4r + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
240K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 8 2 ; 7 9 | = 58
376K
e^{i\pi} + 1 = 0
\frac{12}{7} \sum_{i=1}^{n} i^{2}
82K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
142K
E = mc²
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
191K
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃