Enrhifo
138.26
Ffactor
\frac{31 \cdot 223}{2 \cdot 5 ^ {2}} = 138\frac{13}{50} = 138.26
Rhannu
Copïo i clipfwrdd
21.32+5.7\times 2.6+0.74\times 138
Lluosi 26 a 0.82 i gael 21.32.
21.32+14.82+0.74\times 138
Lluosi 5.7 a 2.6 i gael 14.82.
36.14+0.74\times 138
Adio 21.32 a 14.82 i gael 36.14.
36.14+102.12
Lluosi 0.74 a 138 i gael 102.12.
138.26
Adio 36.14 a 102.12 i gael 138.26.
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}