Asosiy tarkibga oʻtish
C_9 ga nisbatan hosilani topish
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Baholash
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Veb-qidiruvdagi o'xshash muammolar

Baham ko'rish

2C_{9}^{2-1}
ax^{n} hosilasi – nax^{n-1}.
2C_{9}^{1}
2 dan 1 ni ayirish.
2C_{9}
Har qanday t sharti uchun t^{1}=t.