Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:18Z
∑_{k=1}^{n} k = n(n+1)/2
3β² + 6β + 2 = 0
F = ma
det| 3 1 ; 7 4 | = 5
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
1x² + 5x + 7 = 0
det| 4 8 ; 1 5 | = 12
∇²ψ = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0