Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 00:03Z
det| 8 7 ; 2 9 | = 58
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
322K
12ω² + 9ω + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
212K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
362K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
179K
\frac{12}{6} \sum_{i=1}^{n} i^{2}
42K
det| 7 4 ; 4 8 | = 40
41K
\frac{10}{3} \sum_{i=1}^{n} i^{2}
369K
\lim_{x\to 0} \frac{\sin x}{x} = 1
400K
\oint_C \vec{F}\cdot d\vec{r} = 0
138K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
46K