Tīpoka ki ngā ihirangi matua
Whakaoti mō w
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

w\geq 18+3
Me tāpiri te 3 ki ngā taha e rua.
w\geq 21
Tāpirihia te 18 ki te 3, ka 21.