Math Dump /sym/ab78ac
id=654351 · host=jp.commstar.world · 2026-09-01 21:08Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 1 ; 6 5 | = 14
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\frac{1}{7} \sum_{i=1}^{n} i^{2}
det| 5 3 ; 7 6 | = 9
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∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 3 9 ; 1 4 | = 3
6x² + 3x + 5 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
3α² + 2α + 6 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
d/dθ [θ^11] = 11θ^10
11r² + 6r + 7 = 0
\frac{11}{8} \sum_{i=1}^{n} i^{2}