單項(xiàng)選擇題在單循環(huán)制中,當(dāng)參賽的隊(duì)數(shù)為雙數(shù)時(shí),比賽的輪數(shù)為:()。

A.隊(duì)數(shù)
B.隊(duì)數(shù)+1
C.隊(duì)數(shù)-1
D.隊(duì)數(shù)×(隊(duì)數(shù)-1)÷2


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