Tīpoka ki ngā ihirangi matua
Whakarea Pātahi Iti Rawa
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Aromātai
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

30=2\times 3\times 5 25DR-15=5\left(5DR-3\right)
Me whakatauwehe ngā kīanga kāore anō i whakatauwehea.
30\left(5DR-3\right)
Me tautohu ngā tauwehe katoa me ō rātou taupū teitei rawa i ngā kīanga katoa. Me whakarea ngā taupū teitei rawa o ēnei tauwehe kia riro ai te taurea pātahi iti rawa.
150DR-90
Me whakaroha te kīanga.