Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 20:52Z
det| 1 9 ; 3 2 | = -25
det| 7 4 ; 4 8 | = 40
479K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
102K
det| 11 4 ; 0 12 | = 132
det| 12 9 ; 5 13 | = 111
264K
∫₀^∞ e^(-r²) dr = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
257K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∂y/∂r = 4y