Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 23:35Z
ΔS ≥ 0
\frac{12}{7} \sum_{i=1}^{n} i^{2}
428K
det| 9 4 ; 1 10 | = 86
238K
det| 4 6 ; 2 5 | = 8
det| 2 6 ; 0 3 | = 6
268K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
41K
\lim_{n\to 0} \frac{\sin n}{n} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
det| 12 9 ; 3 13 | = 129
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
133K
det| 9 4 ; 3 10 | = 78
∑_{k=1}^{n} k = n(n+1)/2
54K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
21K