250 \times (1+40 \% )
Baholash
350
Omil
2\times 5^{2}\times 7
Baham ko'rish
Klipbordga nusxa olish
250\left(1+\frac{2}{5}\right)
\frac{40}{100} ulushini 20 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
250\left(\frac{5}{5}+\frac{2}{5}\right)
1 ni \frac{5}{5} kasrga o‘giring.
250\times \frac{5+2}{5}
\frac{5}{5} va \frac{2}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
250\times \frac{7}{5}
7 olish uchun 5 va 2'ni qo'shing.
\frac{250\times 7}{5}
250\times \frac{7}{5} ni yagona kasrga aylantiring.
\frac{1750}{5}
1750 hosil qilish uchun 250 va 7 ni ko'paytirish.
350
350 ni olish uchun 1750 ni 5 ga bo‘ling.
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}