Enrhifo
\frac{2009}{10}=200.9
Ffactor
\frac{7 ^ {2} \cdot 41}{2 \cdot 5} = 200\frac{9}{10} = 200.9
Cwis
Arithmetic
5 problemau tebyg i:
\frac { 2019 ^ { 2 } - 1999 ^ { 2 } } { ( 1999 - 2019 ) ^ { 2 } }
Rhannu
Copïo i clipfwrdd
\frac{4076361-1999^{2}}{\left(1999-2019\right)^{2}}
Cyfrifo 2019 i bŵer 2 a chael 4076361.
\frac{4076361-3996001}{\left(1999-2019\right)^{2}}
Cyfrifo 1999 i bŵer 2 a chael 3996001.
\frac{80360}{\left(1999-2019\right)^{2}}
Tynnu 3996001 o 4076361 i gael 80360.
\frac{80360}{\left(-20\right)^{2}}
Tynnu 2019 o 1999 i gael -20.
\frac{80360}{400}
Cyfrifo -20 i bŵer 2 a chael 400.
\frac{2009}{10}
Lleihau'r ffracsiwn \frac{80360}{400} i'r graddau lleiaf posib drwy dynnu a chanslo allan 40.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\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]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}