Tīpoka ki ngā ihirangi matua
Aromātai
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Tauwehe
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

2\times 2+16
Whakareatia te 2 ki te 1, ka 2.
4+16
Whakareatia te 2 ki te 2, ka 4.
20
Tāpirihia te 4 ki te 16, ka 20.