Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 20:08Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
264K
det| 8 9 ; 3 9 | = 45
\binom{n}{k} = \frac{n!}{k!(n-k)!}
252K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 2 3 ; 3 3 | = -3
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
401K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
109K
det| 2 8 ; 7 3 | = -50
184K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O