Baholash
91
Omil
7\times 13
Baham ko'rish
Klipbordga nusxa olish
7\left(55-18+50-87\right)-9-\left(20+50-170\right)
55 olish uchun 25 va 30'ni qo'shing.
7\left(37+50-87\right)-9-\left(20+50-170\right)
37 olish uchun 55 dan 18 ni ayirish.
7\left(87-87\right)-9-\left(20+50-170\right)
87 olish uchun 37 va 50'ni qo'shing.
7\times 0-9-\left(20+50-170\right)
0 olish uchun 87 dan 87 ni ayirish.
0-9-\left(20+50-170\right)
0 hosil qilish uchun 7 va 0 ni ko'paytirish.
-9-\left(20+50-170\right)
-9 olish uchun 0 dan 9 ni ayirish.
-9-\left(70-170\right)
70 olish uchun 20 va 50'ni qo'shing.
-9-\left(-100\right)
-100 olish uchun 70 dan 170 ni ayirish.
-9+100
-100 ning teskarisi 100 ga teng.
91
91 olish uchun -9 va 100'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}