Tīpoka ki ngā ihirangi matua
Kimi Pārōnaki e ai ki C_3
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Aromātai
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Tohaina

47C_{3}^{1-1}
Ko te pārōnaki o ax^{n} ko nax^{n-1}.
47C_{3}^{0}
Tango 1 mai i 1.
47\times 1
Mō tētahi kupu t mahue te 0, t^{0}=1.
47
Mō tētahi kupu t, t\times 1=t me 1t=t.