Aromātai
\frac{487}{2}=243.5
Tauwehe
\frac{487}{2} = 243\frac{1}{2} = 243.5
Tohaina
Kua tāruatia ki te papatopenga
2\left(\frac{11\times 4}{2}+\frac{11}{2}\times \frac{21}{2}+\frac{21}{2}\times 4\right)
Tuhia te \frac{11}{2}\times 4 hei hautanga kotahi.
2\left(\frac{44}{2}+\frac{11}{2}\times \frac{21}{2}+\frac{21}{2}\times 4\right)
Whakareatia te 11 ki te 4, ka 44.
2\left(22+\frac{11}{2}\times \frac{21}{2}+\frac{21}{2}\times 4\right)
Whakawehea te 44 ki te 2, kia riro ko 22.
2\left(22+\frac{11\times 21}{2\times 2}+\frac{21}{2}\times 4\right)
Me whakarea te \frac{11}{2} ki te \frac{21}{2} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
2\left(22+\frac{231}{4}+\frac{21}{2}\times 4\right)
Mahia ngā whakarea i roto i te hautanga \frac{11\times 21}{2\times 2}.
2\left(\frac{88}{4}+\frac{231}{4}+\frac{21}{2}\times 4\right)
Me tahuri te 22 ki te hautau \frac{88}{4}.
2\left(\frac{88+231}{4}+\frac{21}{2}\times 4\right)
Tā te mea he rite te tauraro o \frac{88}{4} me \frac{231}{4}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
2\left(\frac{319}{4}+\frac{21}{2}\times 4\right)
Tāpirihia te 88 ki te 231, ka 319.
2\left(\frac{319}{4}+\frac{21\times 4}{2}\right)
Tuhia te \frac{21}{2}\times 4 hei hautanga kotahi.
2\left(\frac{319}{4}+\frac{84}{2}\right)
Whakareatia te 21 ki te 4, ka 84.
2\left(\frac{319}{4}+42\right)
Whakawehea te 84 ki te 2, kia riro ko 42.
2\left(\frac{319}{4}+\frac{168}{4}\right)
Me tahuri te 42 ki te hautau \frac{168}{4}.
2\times \frac{319+168}{4}
Tā te mea he rite te tauraro o \frac{319}{4} me \frac{168}{4}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
2\times \frac{487}{4}
Tāpirihia te 319 ki te 168, ka 487.
\frac{2\times 487}{4}
Tuhia te 2\times \frac{487}{4} hei hautanga kotahi.
\frac{974}{4}
Whakareatia te 2 ki te 487, ka 974.
\frac{487}{2}
Whakahekea te hautanga \frac{974}{4} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
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Arithmetic
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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}