Enrhifo
\frac{222}{7}\approx 31.714285714
Ffactor
\frac{2 \cdot 3 \cdot 37}{7} = 31\frac{5}{7} = 31.714285714285715
Rhannu
Copïo i clipfwrdd
\frac{47+25+20+35+40+55}{7}
Adio 15 a 32 i gael 47.
\frac{72+20+35+40+55}{7}
Adio 47 a 25 i gael 72.
\frac{92+35+40+55}{7}
Adio 72 a 20 i gael 92.
\frac{127+40+55}{7}
Adio 92 a 35 i gael 127.
\frac{167+55}{7}
Adio 127 a 40 i gael 167.
\frac{222}{7}
Adio 167 a 55 i gael 222.
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}