Baholash
21
Omil
3\times 7
Baham ko'rish
Klipbordga nusxa olish
\frac{12}{\frac{7}{7}-\frac{3}{7}}
1 ni \frac{7}{7} kasrga o‘giring.
\frac{12}{\frac{7-3}{7}}
\frac{7}{7} va \frac{3}{7} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{12}{\frac{4}{7}}
4 olish uchun 7 dan 3 ni ayirish.
12\times \frac{7}{4}
12 ni \frac{4}{7} ga bo'lish 12 ga k'paytirish \frac{4}{7} ga qaytarish.
\frac{12\times 7}{4}
12\times \frac{7}{4} ni yagona kasrga aylantiring.
\frac{84}{4}
84 hosil qilish uchun 12 va 7 ni ko'paytirish.
21
21 ni olish uchun 84 ni 4 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}