Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-19 18:53Z
\frac{11}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
329K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
43K
ΔS ≥ 0
\oint_C \vec{F}\cdot d\vec{r} = 0
98K
det| 8 3 ; 0 9 | = 72
det| 12 3 ; 4 13 | = 144
456K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
45K
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 10 2 ; 3 11 | = 104
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{β\to 0} \frac{\sin β}{β} = 1
7β² + 3β + 3 = 0