Enrhifo
438.8
Ffactor
\frac{2 \cdot 1097}{5} = 438\frac{4}{5} = 438.8
Rhannu
Copïo i clipfwrdd
185+97+98+96\times 0.3+30
Adio 90 a 95 i gael 185.
282+98+96\times 0.3+30
Adio 185 a 97 i gael 282.
380+96\times 0.3+30
Adio 282 a 98 i gael 380.
380+28.8+30
Lluosi 96 a 0.3 i gael 28.8.
408.8+30
Adio 380 a 28.8 i gael 408.8.
438.8
Adio 408.8 a 30 i gael 438.8.
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}