Enrhifo
-4.1
Ffactor
-4.1
Cwis
Arithmetic
5 problemau tebyg i:
8.4 - ( 1.8 + 0.5 + 2.5 ) - [ 6.8 + 0.2 + ( - 0.7 ) \cdot ( - 1 ) ]
Rhannu
Copïo i clipfwrdd
8.4-\left(2.3+2.5\right)-\left(6.8+0.2-0.7\left(-1\right)\right)
Adio 1.8 a 0.5 i gael 2.3.
8.4-4.8-\left(6.8+0.2-0.7\left(-1\right)\right)
Adio 2.3 a 2.5 i gael 4.8.
3.6-\left(6.8+0.2-0.7\left(-1\right)\right)
Tynnu 4.8 o 8.4 i gael 3.6.
3.6-\left(7-0.7\left(-1\right)\right)
Adio 6.8 a 0.2 i gael 7.
3.6-\left(7+0.7\right)
Lluosi -0.7 a -1 i gael 0.7.
3.6-7.7
Adio 7 a 0.7 i gael 7.7.
-4.1
Tynnu 7.7 o 3.6 i gael -4.1.
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}