Baholash
-\frac{1}{15d}
d ga nisbatan hosilani topish
\frac{1}{15d^{2}}
Baham ko'rish
Klipbordga nusxa olish
\frac{-7\times 3}{15d}+\frac{4\times 5}{15d}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 5d va 3d ning eng kichik umumiy karralisi 15d. \frac{-7}{5d} ni \frac{3}{3} marotabaga ko'paytirish. \frac{4}{3d} ni \frac{5}{5} marotabaga ko'paytirish.
\frac{-7\times 3+4\times 5}{15d}
\frac{-7\times 3}{15d} va \frac{4\times 5}{15d} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{-21+20}{15d}
-7\times 3+4\times 5 ichidagi ko‘paytirishlarni bajaring.
\frac{-1}{15d}
-21+20 hisob-kitobini qiling.
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}