Enrhifo
140
Ffactor
2^{2}\times 5\times 7
Rhannu
Copïo i clipfwrdd
25-\left(20+15-70-\left(88-18+10\right)\right)
Tynnu 75 o 100 i gael 25.
25-\left(35-70-\left(88-18+10\right)\right)
Adio 20 a 15 i gael 35.
25-\left(-35-\left(88-18+10\right)\right)
Tynnu 70 o 35 i gael -35.
25-\left(-35-\left(70+10\right)\right)
Tynnu 18 o 88 i gael 70.
25-\left(-35-80\right)
Adio 70 a 10 i gael 80.
25-\left(-115\right)
Tynnu 80 o -35 i gael -115.
25+115
Gwrthwyneb -115 yw 115.
140
Adio 25 a 115 i gael 140.
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}