Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 21:17Z
∂n/∂z = 1n
∑_{k=1}^{n} k = n(n+1)/2
244K
det| 12 1 ; 6 13 | = 150
AgNO₃ + NaCl → AgCl↓ + NaNO₃
90K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
91K
CaCO₃ → CaO + CO₂
det| 5 6 ; 1 6 | = 24
50K
det| 11 7 ; 0 12 | = 132
\binom{n}{k} = \frac{n!}{k!(n-k)!}
137K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
197K
det| 7 5 ; 5 8 | = 31
det| 9 4 ; 1 10 | = 86
196K
det| 5 1 ; 1 6 | = 29
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\frac{9}{6} \sum_{i=1}^{n} i^{2}