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    45．某中学积极响应“钦州园林生活十年计划 的号召.组织团员植树300棵．实际参加植树的团员人数是原计划的1.5倍.这样.实际人均植树棵数比原计划的少2棵.求原计划参加植树的团员有多少人? [答案]．解:设原计划参加植树的团员有x人.······························ 1分 根据题意.得 .··········································· 4分 解这个方程.得 x =50.············································ 6分 经检验.x =50是原方程的根.···················································· 7分 答:原计划参加植树的团员有50人. 8分 【查看更多】

     

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