Baholash
\frac{99}{10}=9,9
Omil
\frac{3 ^ {2} \cdot 11}{2 \cdot 5} = 9\frac{9}{10} = 9,9
Baham ko'rish
Klipbordga nusxa olish
\frac{10+1}{2}\times \frac{1\times 5+4}{5}
10 hosil qilish uchun 5 va 2 ni ko'paytirish.
\frac{11}{2}\times \frac{1\times 5+4}{5}
11 olish uchun 10 va 1'ni qo'shing.
\frac{11}{2}\times \frac{5+4}{5}
5 hosil qilish uchun 1 va 5 ni ko'paytirish.
\frac{11}{2}\times \frac{9}{5}
9 olish uchun 5 va 4'ni qo'shing.
\frac{11\times 9}{2\times 5}
Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{11}{2} ni \frac{9}{5} ga ko‘paytiring.
\frac{99}{10}
\frac{11\times 9}{2\times 5} kasridagi ko‘paytirishlarni bajaring.
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}