Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:52Z
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
52K
det| 12 5 ; 4 13 | = 136
det| 9 7 ; 3 10 | = 69
90K
det| 10 3 ; 4 11 | = 98
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
100K
det| 4 9 ; 7 5 | = -43
det| 1 4 ; 2 2 | = -6
197K
det| 1 1 ; 3 2 | = -1
det| 4 6 ; 4 5 | = -4
262K
∑_{k=1}^{n} k = n(n+1)/2
196K