Baholash
\frac{6}{7}\approx 0,857142857
Omil
\frac{2 \cdot 3}{7} = 0,8571428571428571
Baham ko'rish
Klipbordga nusxa olish
\frac{\frac{21+5}{7}-\frac{2}{7}}{4}
21 hosil qilish uchun 3 va 7 ni ko'paytirish.
\frac{\frac{26}{7}-\frac{2}{7}}{4}
26 olish uchun 21 va 5'ni qo'shing.
\frac{\frac{26-2}{7}}{4}
\frac{26}{7} va \frac{2}{7} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{\frac{24}{7}}{4}
24 olish uchun 26 dan 2 ni ayirish.
\frac{24}{7\times 4}
\frac{\frac{24}{7}}{4} ni yagona kasrga aylantiring.
\frac{24}{28}
28 hosil qilish uchun 7 va 4 ni ko'paytirish.
\frac{6}{7}
\frac{24}{28} ulushini 4 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}