Aromātai
-\frac{53}{20}=-2.65
Tauwehe
-\frac{53}{20} = -2\frac{13}{20} = -2.65
Tohaina
Kua tāruatia ki te papatopenga
\frac{4+1}{4}-\frac{3\times 20+18}{20}
Whakareatia te 1 ki te 4, ka 4.
\frac{5}{4}-\frac{3\times 20+18}{20}
Tāpirihia te 4 ki te 1, ka 5.
\frac{5}{4}-\frac{60+18}{20}
Whakareatia te 3 ki te 20, ka 60.
\frac{5}{4}-\frac{78}{20}
Tāpirihia te 60 ki te 18, ka 78.
\frac{5}{4}-\frac{39}{10}
Whakahekea te hautanga \frac{78}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
\frac{25}{20}-\frac{78}{20}
Ko te maha noa iti rawa atu o 4 me 10 ko 20. Me tahuri \frac{5}{4} me \frac{39}{10} ki te hautau me te tautūnga 20.
\frac{25-78}{20}
Tā te mea he rite te tauraro o \frac{25}{20} me \frac{78}{20}, me tango rāua mā te tango i ō raua taurunga.
-\frac{53}{20}
Tangohia te 78 i te 25, ka -53.
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}