1.、当2a+1与a+3的值满足以下条件时,分别求a的值:(1)相等(2)互为相反数 (用等式的性质解,1.、当2a+1与a+3的值满足以下条件时,分别求a的值:(1)相等(2)互为相反数2.足球比赛的规则为:胜一场的3
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![1.、当2a+1与a+3的值满足以下条件时,分别求a的值:(1)相等(2)互为相反数 (用等式的性质解,1.、当2a+1与a+3的值满足以下条件时,分别求a的值:(1)相等(2)互为相反数2.足球比赛的规则为:胜一场的3](/uploads/image/z/1001956-4-6.jpg?t=1.%E3%80%81%E5%BD%932a%2B1%E4%B8%8Ea%2B3%E7%9A%84%E5%80%BC%E6%BB%A1%E8%B6%B3%E4%BB%A5%E4%B8%8B%E6%9D%A1%E4%BB%B6%E6%97%B6%2C%E5%88%86%E5%88%AB%E6%B1%82a%E7%9A%84%E5%80%BC%3A%281%29%E7%9B%B8%E7%AD%89%282%29%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0+%EF%BC%88%E7%94%A8%E7%AD%89%E5%BC%8F%E7%9A%84%E6%80%A7%E8%B4%A8%E8%A7%A3%2C1.%E3%80%81%E5%BD%932a%2B1%E4%B8%8Ea%2B3%E7%9A%84%E5%80%BC%E6%BB%A1%E8%B6%B3%E4%BB%A5%E4%B8%8B%E6%9D%A1%E4%BB%B6%E6%97%B6%2C%E5%88%86%E5%88%AB%E6%B1%82a%E7%9A%84%E5%80%BC%3A%281%29%E7%9B%B8%E7%AD%89%282%29%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B02.%E8%B6%B3%E7%90%83%E6%AF%94%E8%B5%9B%E7%9A%84%E8%A7%84%E5%88%99%E4%B8%BA%EF%BC%9A%E8%83%9C%E4%B8%80%E5%9C%BA%E7%9A%843)
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