Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:04Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 8 5 ; 3 9 | = 57
102K
∑_{k=1}^{n} k = n(n+1)/2
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
264K
det| 7 4 ; 4 8 | = 40
276K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
257K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
250K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
62K
∑_{k=1}^{n} k = n(n+1)/2
256K