[ 2 \cdot ( 4 - 12 : ( - 3 ) ) + 3 ] : ( 10 - 3
Baholash
\frac{19}{7}\approx 2,714285714
Omil
\frac{19}{7} = 2\frac{5}{7} = 2,7142857142857144
Baham ko'rish
Klipbordga nusxa olish
\frac{2\left(4-\left(-4\right)\right)+3}{10-3}
-4 ni olish uchun 12 ni -3 ga bo‘ling.
\frac{2\left(4+4\right)+3}{10-3}
-4 ning teskarisi 4 ga teng.
\frac{2\times 8+3}{10-3}
8 olish uchun 4 va 4'ni qo'shing.
\frac{16+3}{10-3}
16 hosil qilish uchun 2 va 8 ni ko'paytirish.
\frac{19}{10-3}
19 olish uchun 16 va 3'ni qo'shing.
\frac{19}{7}
7 olish uchun 10 dan 3 ni ayirish.
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}