Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:59Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
75K
3β² + 6β + 2 = 0
det| 3 1 ; 7 4 | = 5
276K
det| 1 4 ; 3 2 | = -10
129K
F = ma
det| 9 4 ; 1 10 | = 86
191K
det| 5 9 ; 7 6 | = -33
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
153K
1x² + 5x + 7 = 0
det| 11 5 ; 0 12 | = 132
473K
∑_{k=1}^{n} k = n(n+1)/2
338K
∇²ψ = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}