Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 20:20Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
451K
∑_{k=1}^{n} k = n(n+1)/2
264K
det| 8 9 ; 3 9 | = 45
\lim_{α\to 0} \frac{\sin α}{α} = 1
297K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
252K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
48K
det| 2 3 ; 3 3 | = -3
∑_{k=1}^{n} k = n(n+1)/2
299K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 6 ; 2 6 | = 18
420K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 4 ; 0 6 | = 30
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O