Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:36Z
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
52K
det| 12 5 ; 4 13 | = 136
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
50K
det| 4 9 ; 7 5 | = -43
det| 3 3 ; 4 4 | = 0
197K
det| 1 1 ; 3 2 | = -1
det| 12 9 ; 3 13 | = 129
det| 1 4 ; 2 2 | = -6
218K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
299K
F = ma
CaCO₃ → CaO + CO₂