Enrhifo
27.69
Ffactor
\frac{3 \cdot 13 \cdot 71}{2 ^ {2} \cdot 5 ^ {2}} = 27\frac{69}{100} = 27.69
Rhannu
Copïo i clipfwrdd
3.98+3.89+1.29+2.19+10.79+5.55
Adio 2.99 a 0.99 i gael 3.98.
7.87+1.29+2.19+10.79+5.55
Adio 3.98 a 3.89 i gael 7.87.
9.16+2.19+10.79+5.55
Adio 7.87 a 1.29 i gael 9.16.
11.35+10.79+5.55
Adio 9.16 a 2.19 i gael 11.35.
22.14+5.55
Adio 11.35 a 10.79 i gael 22.14.
27.69
Adio 22.14 a 5.55 i gael 27.69.
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}