Enrhifo
8079
Ffactor
3\times 2693
Cwis
Arithmetic
5 problemau tebyg i:
4 \times { 2020 }^{ 2 } - { \left(2 \times 2020-1 \right) }^{ 2 }
Rhannu
Copïo i clipfwrdd
4\times 4080400-\left(2\times 2020-1\right)^{2}
Cyfrifo 2020 i bŵer 2 a chael 4080400.
16321600-\left(2\times 2020-1\right)^{2}
Lluosi 4 a 4080400 i gael 16321600.
16321600-\left(4040-1\right)^{2}
Lluosi 2 a 2020 i gael 4040.
16321600-4039^{2}
Tynnu 1 o 4040 i gael 4039.
16321600-16313521
Cyfrifo 4039 i bŵer 2 a chael 16313521.
8079
Tynnu 16313521 o 16321600 i gael 8079.
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}