ref de5e2e49
Math Dump /sym/d1431c
id=14 · host=ap.findroms.cloud · 2026-08-18 08:01Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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det| 12 2 ; 2 13 | = 152
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det| 10 1 ; 6 11 | = 104
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
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\frac{6}{1} \sum_{i=1}^{n} i^{2}
6φ² + 1φ + 0 = 0
det| 3 5 ; 7 4 | = -23
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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det| 8 9 ; 3 9 | = 45
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\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 12 6 ; 0 13 | = 156
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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