Enrhifo
16.68
Ffactor
\frac{3 \cdot 139}{5 ^ {2}} = 16\frac{17}{25} = 16.68
Rhannu
Copïo i clipfwrdd
0.2\left(27.8+7.1+14+6.2+13+6.8+8.5\right)
Adio 18.3 a 9.5 i gael 27.8.
0.2\left(34.9+14+6.2+13+6.8+8.5\right)
Adio 27.8 a 7.1 i gael 34.9.
0.2\left(48.9+6.2+13+6.8+8.5\right)
Adio 34.9 a 14 i gael 48.9.
0.2\left(55.1+13+6.8+8.5\right)
Adio 48.9 a 6.2 i gael 55.1.
0.2\left(68.1+6.8+8.5\right)
Adio 55.1 a 13 i gael 68.1.
0.2\left(74.9+8.5\right)
Adio 68.1 a 6.8 i gael 74.9.
0.2\times 83.4
Adio 74.9 a 8.5 i gael 83.4.
16.68
Lluosi 0.2 a 83.4 i gael 16.68.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
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\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}