Asosiy tarkibga oʻtish
Omil
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Baholash
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Veb-qidiruvdagi o'xshash muammolar

Baham ko'rish

\frac{81\int \frac{x^{4}}{16}\mathrm{d}x-y^{4}}{81}
\frac{1}{81} omili.