某籃球隊(duì)參加籃球賽,勝一場(chǎng)得2分,負(fù)一場(chǎng)得0分,平一場(chǎng)得1分,該隊(duì)一共賽賽12場(chǎng),未負(fù)一場(chǎng),總分為為20分,問(wèn)該隊(duì)勝了幾場(chǎng).要有計(jì)算過(guò)程
某籃球隊(duì)參加籃球賽,勝一場(chǎng)得2分,負(fù)一場(chǎng)得0分,平一場(chǎng)得1分,該隊(duì)一共賽賽12場(chǎng),未負(fù)一場(chǎng),總分為為20分,問(wèn)該隊(duì)勝了幾場(chǎng).要有計(jì)算過(guò)程
數(shù)學(xué)人氣：569 ℃時(shí)間：2020-05-24 01:15:28
優(yōu)質(zhì)解答
設(shè)該隊(duì)勝了X場(chǎng),因?yàn)槲簇?fù)一場(chǎng),則平了12-X場(chǎng),根據(jù)勝一場(chǎng)得2分,平一場(chǎng)得1分,總分=2*X+（12-X）*1=20,得X=8,共勝了8場(chǎng)
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