Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:20Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
75K
det| 9 4 ; 1 10 | = 86
479K
3β² + 6β + 2 = 0
F = ma
det| 4 4 ; 5 5 | = 0
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
det| 10 7 ; 3 11 | = 89
153K
1x² + 5x + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
473K