Baholash
\frac{187}{10}=18,7
Omil
\frac{11 \cdot 17}{2 \cdot 5} = 18\frac{7}{10} = 18,7
Baham ko'rish
Klipbordga nusxa olish
\frac{90+9}{10}-\left(-\frac{8\times 5+4}{5}\right)
90 hosil qilish uchun 9 va 10 ni ko'paytirish.
\frac{99}{10}-\left(-\frac{8\times 5+4}{5}\right)
99 olish uchun 90 va 9'ni qo'shing.
\frac{99}{10}-\left(-\frac{40+4}{5}\right)
40 hosil qilish uchun 8 va 5 ni ko'paytirish.
\frac{99}{10}-\left(-\frac{44}{5}\right)
44 olish uchun 40 va 4'ni qo'shing.
\frac{99}{10}+\frac{44}{5}
-\frac{44}{5} ning teskarisi \frac{44}{5} ga teng.
\frac{99}{10}+\frac{88}{10}
10 va 5 ning eng kichik umumiy karralisi 10 ga teng. \frac{99}{10} va \frac{44}{5} ni 10 maxraj bilan kasrlarga aylantirib oling.
\frac{99+88}{10}
\frac{99}{10} va \frac{88}{10} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{187}{10}
187 olish uchun 99 va 88'ni qo'shing.
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}