Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:56Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
60K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
230K
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{9} \sum_{i=1}^{n} i^{2}
152K
11θ² + 3θ + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
173K
det| 7 7 ; 6 8 | = 14
det| 9 4 ; 1 10 | = 86
329K
∑_{k=1}^{n} k = n(n+1)/2
368K