Math Dump /sym/bb7c3c
id=1 · host=ap.findroms.cloud · 2026-10-19 01:22Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
75K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
132K
2y² + 6y + 4 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
52K
2y² + 4y + 4 = 0
\frac{12}{7} \sum_{i=1}^{n} i^{2}
393K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 9 ; 6 8 | = 2
Fe₂O₃ + 3CO → 2Fe + 3CO₂