Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:17Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
75K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
479K
3β² + 6β + 2 = 0
F = ma
\frac{8}{7} \sum_{i=1}^{n} i^{2}
\lim_{β\to 0} \frac{\sin β}{β} = 1
1K
det| 9 4 ; 1 10 | = 86
153K
1x² + 5x + 7 = 0
∇²ψ = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
188K
det| 7 2 ; 3 8 | = 50
416K
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}