Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 19:25Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
479K
∑_{k=1}^{n} k = n(n+1)/2
8K
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
102K
∂x/∂γ = 3x
det| 5 2 ; 4 6 | = 22
∑_{k=1}^{n} k = n(n+1)/2
250K
det| 5 3 ; 2 6 | = 24
\binom{n}{k} = \frac{n!}{k!(n-k)!}
62K
det| 9 4 ; 1 10 | = 86
256K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
10γ² + 6γ + 3 = 0