Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:21Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 5 ; 3 9 | = 57
244K
det| 12 5 ; 4 13 | = 136
∫₀^∞ e^(-x²) dx = √π / 2
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
CH₄ + 2O₂ → CO₂ + 2H₂O
100K
det| 4 9 ; 7 5 | = -43
det| 1 1 ; 3 2 | = -1
det| 12 9 ; 3 13 | = 129
∑_{k=1}^{n} k = n(n+1)/2
299K
F = ma
CaCO₃ → CaO + CO₂