Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Graph

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x=20+1
Me tāpiri te 1 ki ngā taha e rua.
x=21
Tāpirihia te 20 ki te 1, ka 21.