Math Dump /sym/52f688
id=473424 · host=jp.commstar.world · 2026-09-01 21:07Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 4 1 ; 6 5 | = 14
402K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 3 ; 7 6 | = 9
398K
∇²t = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
5y² + 7y + 2 = 0
7n² + 8n + 2 = 0
10α² + 2α + 6 = 0
2t² + 4t + 1 = 0
\frac{7}{8} \sum_{i=1}^{n} i^{2}
3z² + 5z + 1 = 0
∇²n = 0
∇²θ = 0