Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 20:43Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{8}{7} \sum_{i=1}^{n} i^{2}
451K
det| 8 9 ; 3 9 | = 45
det| 2 3 ; 5 3 | = -9
252K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
411K
det| 2 3 ; 3 3 | = -3
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
401K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
420K
\binom{n}{k} = \frac{n!}{k!(n-k)!}