Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 23:36Z
6n² + 4n + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
109K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
122K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
163K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
d/dω [ω^10] = 10ω^9
\frac{7}{1} \sum_{i=1}^{n} i^{2}
349K
∇²β = 0
det| 7 4 ; 4 8 | = 40
99K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
d/dr [r^4] = 4r^3