Tīpoka ki ngā ihirangi matua
Whakaoti mō x_2
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x_{2}=4900
Me tāpiri te 4900 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.