Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:14Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{7} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
60K
∑_{k=1}^{n} k = n(n+1)/2
det| 4 8 ; 3 5 | = -4
119K
\frac{11}{8} \sum_{i=1}^{n} i^{2}
152K
11θ² + 3θ + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
173K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
329K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
368K
det| 9 5 ; 1 10 | = 85
314K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
180K