七年级一元一次方程应用题http://www.pep.com.cn/czsx/jszx/qnjsc/7akb/200809/t20080905_514317.htm求综合运用里7~11题的答案和解题过程
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![七年级一元一次方程应用题http://www.pep.com.cn/czsx/jszx/qnjsc/7akb/200809/t20080905_514317.htm求综合运用里7~11题的答案和解题过程](/uploads/image/z/616902-6-2.jpg?t=%E4%B8%83%E5%B9%B4%E7%BA%A7%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E5%BA%94%E7%94%A8%E9%A2%98http%3A%2F%2Fwww.pep.com.cn%2Fczsx%2Fjszx%2Fqnjsc%2F7akb%2F200809%2Ft20080905_514317.htm%E6%B1%82%E7%BB%BC%E5%90%88%E8%BF%90%E7%94%A8%E9%87%8C7%7E11%E9%A2%98%E7%9A%84%E7%AD%94%E6%A1%88%E5%92%8C%E8%A7%A3%E9%A2%98%E8%BF%87%E7%A8%8B)
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