72 \times (1-20 \% )
Aromātai
\frac{288}{5}=57.6
Tauwehe
\frac{2 ^ {5} \cdot 3 ^ {2}}{5} = 57\frac{3}{5} = 57.6
Tohaina
Kua tāruatia ki te papatopenga
72\left(1-\frac{1}{5}\right)
Whakahekea te hautanga \frac{20}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 20.
72\left(\frac{5}{5}-\frac{1}{5}\right)
Me tahuri te 1 ki te hautau \frac{5}{5}.
72\times \frac{5-1}{5}
Tā te mea he rite te tauraro o \frac{5}{5} me \frac{1}{5}, me tango rāua mā te tango i ō raua taurunga.
72\times \frac{4}{5}
Tangohia te 1 i te 5, ka 4.
\frac{72\times 4}{5}
Tuhia te 72\times \frac{4}{5} hei hautanga kotahi.
\frac{288}{5}
Whakareatia te 72 ki te 4, ka 288.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
y = 3x + 4
Arithmetic
699 * 533
Poukapa
\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]
whārite Simultaneous
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Whakarerekētanga
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}