Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:55Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
75K
det| 11 5 ; 0 12 | = 132
479K
3β² + 6β + 2 = 0
det| 1 4 ; 3 2 | = -10
276K
det| 9 4 ; 1 10 | = 86
129K
F = ma
det| 10 4 ; 1 11 | = 106
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
1K
1x² + 5x + 7 = 0