Baholash
-\frac{38}{21}\approx -1,80952381
Omil
-\frac{38}{21} = -1\frac{17}{21} = -1,8095238095238095
Baham ko'rish
Klipbordga nusxa olish
-\frac{2}{3}\times \frac{19}{7}
\frac{57}{21} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
\frac{-2\times 19}{3\times 7}
Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{2}{3} ni \frac{19}{7} ga ko‘paytiring.
\frac{-38}{21}
\frac{-2\times 19}{3\times 7} kasridagi ko‘paytirishlarni bajaring.
-\frac{38}{21}
\frac{-38}{21} kasri manfiy belgini olib tashlash bilan -\frac{38}{21} sifatida qayta yozilishi mumkin.
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}