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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

y-4=1
Whakareatia te 2 ki te 2, ka 4.
y=1+4
Me tāpiri te 4 ki ngā taha e rua.
y=5
Tāpirihia te 1 ki te 4, ka 5.