5道数学应用题 1)甲、乙两书数的和是90,甲数是乙数的80%,甲、乙两数各是多少?2)甲、乙两厂人数之和是440,甲厂人数比乙厂人数多20%,甲、乙两厂各有多少人?3)甲、乙两堆煤重40吨,已知甲堆
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![5道数学应用题 1)甲、乙两书数的和是90,甲数是乙数的80%,甲、乙两数各是多少?2)甲、乙两厂人数之和是440,甲厂人数比乙厂人数多20%,甲、乙两厂各有多少人?3)甲、乙两堆煤重40吨,已知甲堆](/uploads/image/z/755166-30-6.jpg?t=5%E9%81%93%E6%95%B0%E5%AD%A6%E5%BA%94%E7%94%A8%E9%A2%98+1%EF%BC%89%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E4%B9%A6%E6%95%B0%E7%9A%84%E5%92%8C%E6%98%AF90%2C%E7%94%B2%E6%95%B0%E6%98%AF%E4%B9%99%E6%95%B0%E7%9A%8480%25%2C%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E6%95%B0%E5%90%84%E6%98%AF%E5%A4%9A%E5%B0%91%3F2%EF%BC%89%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E5%8E%82%E4%BA%BA%E6%95%B0%E4%B9%8B%E5%92%8C%E6%98%AF440%2C%E7%94%B2%E5%8E%82%E4%BA%BA%E6%95%B0%E6%AF%94%E4%B9%99%E5%8E%82%E4%BA%BA%E6%95%B0%E5%A4%9A20%25%2C%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E5%8E%82%E5%90%84%E6%9C%89%E5%A4%9A%E5%B0%91%E4%BA%BA%3F3%EF%BC%89%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E5%A0%86%E7%85%A4%E9%87%8D40%E5%90%A8%2C%E5%B7%B2%E7%9F%A5%E7%94%B2%E5%A0%86)
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