Baholash
-\frac{13}{5}=-2,6
Omil
-\frac{13}{5} = -2\frac{3}{5} = -2,6
Baham ko'rish
Klipbordga nusxa olish
12\left(\frac{8}{60}-\frac{21}{60}\right)
15 va 20 ning eng kichik umumiy karralisi 60 ga teng. \frac{2}{15} va \frac{7}{20} ni 60 maxraj bilan kasrlarga aylantirib oling.
12\times \frac{8-21}{60}
\frac{8}{60} va \frac{21}{60} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
12\left(-\frac{13}{60}\right)
-13 olish uchun 8 dan 21 ni ayirish.
\frac{12\left(-13\right)}{60}
12\left(-\frac{13}{60}\right) ni yagona kasrga aylantiring.
\frac{-156}{60}
-156 hosil qilish uchun 12 va -13 ni ko'paytirish.
-\frac{13}{5}
\frac{-156}{60} ulushini 12 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometriya
4 \sin \theta \cos \theta = 2 \sin \theta
Chiziqli tenglama
y = 3x + 4
Arifmetik
699 * 533
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]
Simli tenglama
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differensatsiya
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Oʻngga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Chegaralar
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}