Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 01:11Z
\frac{12}{9} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-r²) dr = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
155K
∑_{k=1}^{n} k = n(n+1)/2
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
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 4 4 ; 5 5 | = 0
263K
9x² + 6x + 1 = 0
det| 5 6 ; 2 6 | = 18
233K
det| 3 1 ; 4 4 | = 8