Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 18:27Z
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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\frac{12}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 7 4 ; 4 8 | = 40
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det| 8 5 ; 7 9 | = 37
\lim_{α\to 0} \frac{\sin α}{α} = 1
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