Whakaoti mō c
c=70
Tohaina
Kua tāruatia ki te papatopenga
100=30+c
Tangohia te 20 i te 50, ka 30.
30+c=100
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
c=100-30
Tangohia te 30 mai i ngā taha e rua.
c=70
Tangohia te 30 i te 100, ka 70.
Ngā Tauira
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