Baholash
15
Omil
3\times 5
Baham ko'rish
Klipbordga nusxa olish
\frac{20+1}{5}\times \frac{3\times 7+4}{7}
20 hosil qilish uchun 4 va 5 ni ko'paytirish.
\frac{21}{5}\times \frac{3\times 7+4}{7}
21 olish uchun 20 va 1'ni qo'shing.
\frac{21}{5}\times \frac{21+4}{7}
21 hosil qilish uchun 3 va 7 ni ko'paytirish.
\frac{21}{5}\times \frac{25}{7}
25 olish uchun 21 va 4'ni qo'shing.
\frac{21\times 25}{5\times 7}
Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{21}{5} ni \frac{25}{7} ga ko‘paytiring.
\frac{525}{35}
\frac{21\times 25}{5\times 7} kasridagi ko‘paytirishlarni bajaring.
15
15 ni olish uchun 525 ni 35 ga bo‘ling.
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}