Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 01:23Z
\frac{12}{9} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-r²) dr = √π / 2
det| 7 6 ; 1 8 | = 50
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det| 5 3 ; 6 6 | = 12
det| 7 4 ; 4 8 | = 40
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F = ma
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
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