Math Dump /sym/bb7c3c
id=1 · host=ap.findroms.cloud · 2026-10-19 01:53Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
75K
det| 12 1 ; 5 13 | = 151
132K
2y² + 6y + 4 = 0
det| 11 9 ; 0 12 | = 132
97K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
2y² + 4y + 4 = 0
det| 7 4 ; 4 8 | = 40
393K
∑_{k=1}^{n} k = n(n+1)/2
130K