Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 20:42Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 9 ; 3 9 | = 45
\frac{4}{6} \sum_{i=1}^{n} i^{2}
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
252K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 9 8 ; 3 10 | = 66
48K
det| 7 4 ; 4 8 | = 40
411K
det| 2 3 ; 3 3 | = -3
det| 1 4 ; 3 2 | = -10
377K
det| 4 7 ; 2 5 | = 6
299K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
420K
\binom{n}{k} = \frac{n!}{k!(n-k)!}