Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:09Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
257K
det| 9 4 ; 1 10 | = 86
250K
det| 9 7 ; 3 10 | = 69
62K
∫₀^∞ e^(-t²) dt = √π / 2
256K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
164K