F uchun yechish
F=5
F'ni tayinlash
F≔5
Baham ko'rish
Klipbordga nusxa olish
F=\frac{-2}{\frac{2\left(-1\right)}{5}}
2\left(-\frac{1}{5}\right) ni yagona kasrga aylantiring.
F=\frac{-2}{\frac{-2}{5}}
-2 hosil qilish uchun 2 va -1 ni ko'paytirish.
F=\frac{-2}{-\frac{2}{5}}
\frac{-2}{5} kasri manfiy belgini olib tashlash bilan -\frac{2}{5} sifatida qayta yozilishi mumkin.
F=-2\left(-\frac{5}{2}\right)
-2 ni -\frac{2}{5} ga bo'lish -2 ga k'paytirish -\frac{2}{5} ga qaytarish.
F=5
-2 ni -\frac{5}{2} marotabaga ko'paytirish.
Misollar
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Matritsa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Chegaralar
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