Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 01:23Z
\frac{12}{9} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
326K
det| 1 4 ; 0 2 | = 2
198K
∫₀^∞ e^(-r²) dr = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
63K
det| 5 3 ; 6 6 | = 12
∑_{k=1}^{n} k = n(n+1)/2
366K
det| 7 4 ; 4 8 | = 40
201K
F = ma
\lim_{β\to 0} \frac{\sin β}{β} = 1
176K
CH₄ + 2O₂ → CO₂ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
263K
9x² + 6x + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
233K
det| 3 1 ; 4 4 | = 8