1.配制一种药水,按药粉与水质量的比1:500配制.40克药粉需加水多少克?2.甲、乙两队少先队员人数比为7:3,如果从甲队调30人到乙队,则甲、乙两队的人数比为3:2.乙队原有多少人?3.一件衣服,第一
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![1.配制一种药水,按药粉与水质量的比1:500配制.40克药粉需加水多少克?2.甲、乙两队少先队员人数比为7:3,如果从甲队调30人到乙队,则甲、乙两队的人数比为3:2.乙队原有多少人?3.一件衣服,第一](/uploads/image/z/14942733-69-3.jpg?t=1.%E9%85%8D%E5%88%B6%E4%B8%80%E7%A7%8D%E8%8D%AF%E6%B0%B4%2C%E6%8C%89%E8%8D%AF%E7%B2%89%E4%B8%8E%E6%B0%B4%E8%B4%A8%E9%87%8F%E7%9A%84%E6%AF%941%3A500%E9%85%8D%E5%88%B6.40%E5%85%8B%E8%8D%AF%E7%B2%89%E9%9C%80%E5%8A%A0%E6%B0%B4%E5%A4%9A%E5%B0%91%E5%85%8B%3F2.%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E9%98%9F%E5%B0%91%E5%85%88%E9%98%9F%E5%91%98%E4%BA%BA%E6%95%B0%E6%AF%94%E4%B8%BA7%3A3%2C%E5%A6%82%E6%9E%9C%E4%BB%8E%E7%94%B2%E9%98%9F%E8%B0%8330%E4%BA%BA%E5%88%B0%E4%B9%99%E9%98%9F%2C%E5%88%99%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E9%98%9F%E7%9A%84%E4%BA%BA%E6%95%B0%E6%AF%94%E4%B8%BA3%3A2.%E4%B9%99%E9%98%9F%E5%8E%9F%E6%9C%89%E5%A4%9A%E5%B0%91%E4%BA%BA%3F3.%E4%B8%80%E4%BB%B6%E8%A1%A3%E6%9C%8D%2C%E7%AC%AC%E4%B8%80)
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