Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:17Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
det| 1 1 ; 5 2 | = -3
129K
F = ma
det| 10 4 ; 1 11 | = 106
191K
det| 5 9 ; 7 6 | = -33
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
1x² + 5x + 7 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
473K
det| 7 4 ; 4 8 | = 40
338K
∇²ψ = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}