某儿童服装店欲购进A、B两种型号的儿童服装.经调查:B型号儿童的进货单价是A型号童装的进货单价的两倍,购进A型号童装60件和B型号童装40件共用去2100元
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![某儿童服装店欲购进A、B两种型号的儿童服装.经调查:B型号儿童的进货单价是A型号童装的进货单价的两倍,购进A型号童装60件和B型号童装40件共用去2100元](/uploads/image/z/5153894-62-4.jpg?t=%E6%9F%90%E5%84%BF%E7%AB%A5%E6%9C%8D%E8%A3%85%E5%BA%97%E6%AC%B2%E8%B4%AD%E8%BF%9BA%E3%80%81B%E4%B8%A4%E7%A7%8D%E5%9E%8B%E5%8F%B7%E7%9A%84%E5%84%BF%E7%AB%A5%E6%9C%8D%E8%A3%85.%E7%BB%8F%E8%B0%83%E6%9F%A5%3AB%E5%9E%8B%E5%8F%B7%E5%84%BF%E7%AB%A5%E7%9A%84%E8%BF%9B%E8%B4%A7%E5%8D%95%E4%BB%B7%E6%98%AFA%E5%9E%8B%E5%8F%B7%E7%AB%A5%E8%A3%85%E7%9A%84%E8%BF%9B%E8%B4%A7%E5%8D%95%E4%BB%B7%E7%9A%84%E4%B8%A4%E5%80%8D%2C%E8%B4%AD%E8%BF%9BA%E5%9E%8B%E5%8F%B7%E7%AB%A5%E8%A3%8560%E4%BB%B6%E5%92%8CB%E5%9E%8B%E5%8F%B7%E7%AB%A5%E8%A3%8540%E4%BB%B6%E5%85%B1%E7%94%A8%E5%8E%BB2100%E5%85%83)
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