Enrhifo
-28.318
Ffactor
-28.318
Cwis
Arithmetic
5 problemau tebyg i:
( 4.32 \times 10 ^ { - 1 } ) - ( 2.5 \times 10 ^ { - 1 } ) \quad 115
Rhannu
Copïo i clipfwrdd
4.32\times \frac{1}{10}-2.5\times 10^{-1}\times 115
Cyfrifo 10 i bŵer -1 a chael \frac{1}{10}.
\frac{54}{125}-2.5\times 10^{-1}\times 115
Lluosi 4.32 a \frac{1}{10} i gael \frac{54}{125}.
\frac{54}{125}-2.5\times \frac{1}{10}\times 115
Cyfrifo 10 i bŵer -1 a chael \frac{1}{10}.
\frac{54}{125}-\frac{1}{4}\times 115
Lluosi 2.5 a \frac{1}{10} i gael \frac{1}{4}.
\frac{54}{125}-\frac{115}{4}
Lluosi \frac{1}{4} a 115 i gael \frac{115}{4}.
-\frac{14159}{500}
Tynnu \frac{115}{4} o \frac{54}{125} i gael -\frac{14159}{500}.
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}