Baholash
\frac{21}{5}=4,2
Omil
\frac{3 \cdot 7}{5} = 4\frac{1}{5} = 4,2
Baham ko'rish
Klipbordga nusxa olish
4\times \frac{5+1}{5}-\frac{2}{\frac{3\times 3+1}{3}}
5 hosil qilish uchun 1 va 5 ni ko'paytirish.
4\times \frac{6}{5}-\frac{2}{\frac{3\times 3+1}{3}}
6 olish uchun 5 va 1'ni qo'shing.
\frac{4\times 6}{5}-\frac{2}{\frac{3\times 3+1}{3}}
4\times \frac{6}{5} ni yagona kasrga aylantiring.
\frac{24}{5}-\frac{2}{\frac{3\times 3+1}{3}}
24 hosil qilish uchun 4 va 6 ni ko'paytirish.
\frac{24}{5}-\frac{2\times 3}{3\times 3+1}
2 ni \frac{3\times 3+1}{3} ga bo'lish 2 ga k'paytirish \frac{3\times 3+1}{3} ga qaytarish.
\frac{24}{5}-\frac{6}{3\times 3+1}
6 hosil qilish uchun 2 va 3 ni ko'paytirish.
\frac{24}{5}-\frac{6}{9+1}
9 hosil qilish uchun 3 va 3 ni ko'paytirish.
\frac{24}{5}-\frac{6}{10}
10 olish uchun 9 va 1'ni qo'shing.
\frac{24}{5}-\frac{3}{5}
\frac{6}{10} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
\frac{24-3}{5}
\frac{24}{5} va \frac{3}{5} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{21}{5}
21 olish uchun 24 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}