f uchun yechish
f=39
Baham ko'rish
Klipbordga nusxa olish
f+3=\frac{7}{2}\times 12
Ikkala tarafini 12 ga ko‘paytiring.
f+3=\frac{7\times 12}{2}
\frac{7}{2}\times 12 ni yagona kasrga aylantiring.
f+3=\frac{84}{2}
84 hosil qilish uchun 7 va 12 ni ko'paytirish.
f+3=42
42 ni olish uchun 84 ni 2 ga bo‘ling.
f=42-3
Ikkala tarafdan 3 ni ayirish.
f=39
39 olish uchun 42 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}