Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 05:09Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 4 ; 4 8 | = 40
218K
∑_{k=1}^{n} k = n(n+1)/2
190K
12α² + 7α + 2 = 0
det| 7 6 ; 1 8 | = 50
248K
∇²y = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
170K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
8β² + 4β + 2 = 0
det| 2 7 ; 7 3 | = -43
138K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
433K
11ψ² + 5ψ + 6 = 0