Baholash
-3
Omil
-3
Baham ko'rish
Klipbordga nusxa olish
12-\left(13+7\right)-\left(-5\right)
-7 ning teskarisi 7 ga teng.
12-20-\left(-5\right)
20 olish uchun 13 va 7'ni qo'shing.
-8-\left(-5\right)
-8 olish uchun 12 dan 20 ni ayirish.
-8+5
-5 ning teskarisi 5 ga teng.
-3
-3 olish uchun -8 va 5'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}