Aromātai
-20
Tauwehe
-20
Tohaina
Kua tāruatia ki te papatopenga
160\left(\frac{1}{8}-\frac{2}{8}\right)
Ko te maha noa iti rawa atu o 8 me 4 ko 8. Me tahuri \frac{1}{8} me \frac{1}{4} ki te hautau me te tautūnga 8.
160\times \frac{1-2}{8}
Tā te mea he rite te tauraro o \frac{1}{8} me \frac{2}{8}, me tango rāua mā te tango i ō raua taurunga.
160\left(-\frac{1}{8}\right)
Tangohia te 2 i te 1, ka -1.
\frac{160\left(-1\right)}{8}
Tuhia te 160\left(-\frac{1}{8}\right) hei hautanga kotahi.
\frac{-160}{8}
Whakareatia te 160 ki te -1, ka -160.
-20
Whakawehea te -160 ki te 8, kia riro ko -20.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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