Aromātai
\frac{92}{5}=18.4
Tauwehe
\frac{2 ^ {2} \cdot 23}{5} = 18\frac{2}{5} = 18.4
Tohaina
Kua tāruatia ki te papatopenga
\frac{20+1}{5}\times \frac{3\times 7+2}{7}\left(1+\frac{1}{3}\right)
Whakareatia te 4 ki te 5, ka 20.
\frac{21}{5}\times \frac{3\times 7+2}{7}\left(1+\frac{1}{3}\right)
Tāpirihia te 20 ki te 1, ka 21.
\frac{21}{5}\times \frac{21+2}{7}\left(1+\frac{1}{3}\right)
Whakareatia te 3 ki te 7, ka 21.
\frac{21}{5}\times \frac{23}{7}\left(1+\frac{1}{3}\right)
Tāpirihia te 21 ki te 2, ka 23.
\frac{21\times 23}{5\times 7}\left(1+\frac{1}{3}\right)
Me whakarea te \frac{21}{5} ki te \frac{23}{7} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
\frac{483}{35}\left(1+\frac{1}{3}\right)
Mahia ngā whakarea i roto i te hautanga \frac{21\times 23}{5\times 7}.
\frac{69}{5}\left(1+\frac{1}{3}\right)
Whakahekea te hautanga \frac{483}{35} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 7.
\frac{69}{5}\left(\frac{3}{3}+\frac{1}{3}\right)
Me tahuri te 1 ki te hautau \frac{3}{3}.
\frac{69}{5}\times \frac{3+1}{3}
Tā te mea he rite te tauraro o \frac{3}{3} me \frac{1}{3}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{69}{5}\times \frac{4}{3}
Tāpirihia te 3 ki te 1, ka 4.
\frac{69\times 4}{5\times 3}
Me whakarea te \frac{69}{5} ki te \frac{4}{3} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
\frac{276}{15}
Mahia ngā whakarea i roto i te hautanga \frac{69\times 4}{5\times 3}.
\frac{92}{5}
Whakahekea te hautanga \frac{276}{15} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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Whakarerekētanga
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Whakaurunga
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