Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 06:00Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\frac{2}{9} \sum_{i=1}^{n} i^{2}
\frac{4}{9} \sum_{i=1}^{n} i^{2}
248K
ΔS ≥ 0
det| 7 4 ; 4 8 | = 40
170K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
299K
5θ² + 8θ + 5 = 0
det| 1 2 ; 7 2 | = -12
244K
det| 2 6 ; 0 3 | = 6
105K
det| 2 9 ; 1 3 | = -3
∑_{k=1}^{n} k = n(n+1)/2
100K
det| 4 6 ; 0 5 | = 20
138K
∇ × E = −∂B/∂t
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
354K
det| 5 7 ; 2 6 | = 16
433K