2.A baseball league consists of two four-team divisions.Each team plays every other team in its division N games.Each team plays every team in the other division M games with N>2M and M>4.Each team plays a 76 game schedule.How many games does a team play within its own division?( )
一個(gè)棒球聯(lián)盟由兩個(gè)四隊(duì)分區(qū)組成。每個(gè)隊(duì)伍都會(huì)與其分區(qū)中的其他隊(duì)伍進(jìn)行N場(chǎng)比賽。每個(gè)隊(duì)伍都會(huì)與另一個(gè)分區(qū)中的每個(gè)隊(duì)伍進(jìn)行M場(chǎng)比賽,其中N>2M且M>4。每個(gè)隊(duì)伍的比賽日程是76場(chǎng)比賽。一個(gè)隊(duì)伍在自己的分區(qū)內(nèi)進(jìn)行了多少場(chǎng)比賽?( )