Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:20Z
∑_{k=1}^{n} k = n(n+1)/2
det| 12 5 ; 4 13 | = 136
det| 8 5 ; 3 9 | = 57
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 7 ; 4 8 | = 28
100K
det| 7 4 ; 4 8 | = 40
50K
det| 8 2 ; 7 9 | = 58
197K
det| 11 2 ; 5 12 | = 122
262K
det| 5 6 ; 1 6 | = 24
196K