Math Dump /sym/bb7c3c
id=1 · host=ap.findroms.cloud · 2026-10-19 01:13Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
132K
2y² + 6y + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 7 ; 3 11 | = 89
52K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
344K
2y² + 4y + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
393K
det| 7 8 ; 6 8 | = 8
346K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
130K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-ω²) dω = √π / 2
391K
det| 6 8 ; 1 7 | = 34