Enrhifo
54.25
Ffactor
\frac{7 \cdot 31}{2 ^ {2}} = 54\frac{1}{4} = 54.25
Rhannu
Copïo i clipfwrdd
11.5+2.75+17.5+11+8.5+3
Adio 3.5 a 8 i gael 11.5.
14.25+17.5+11+8.5+3
Adio 11.5 a 2.75 i gael 14.25.
31.75+11+8.5+3
Adio 14.25 a 17.5 i gael 31.75.
42.75+8.5+3
Adio 31.75 a 11 i gael 42.75.
51.25+3
Adio 42.75 a 8.5 i gael 51.25.
54.25
Adio 51.25 a 3 i gael 54.25.
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}