1) 2小时40分 = ( )小时 2) 2个质数的和是31,积是多少?3) 3.15时=()时()分 4)a*3=b/2(ab不为0),a:b成()比例5) 6个点最多连几条线?6)甲乙两个工程队和修一段公路,家对单独修了2天,乙队单
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![1) 2小时40分 = ( )小时 2) 2个质数的和是31,积是多少?3) 3.15时=()时()分 4)a*3=b/2(ab不为0),a:b成()比例5) 6个点最多连几条线?6)甲乙两个工程队和修一段公路,家对单独修了2天,乙队单](/uploads/image/z/15055139-11-9.jpg?t=1%EF%BC%89+2%E5%B0%8F%E6%97%B640%E5%88%86+%3D+%28+%29%E5%B0%8F%E6%97%B6+2%EF%BC%89+2%E4%B8%AA%E8%B4%A8%E6%95%B0%E7%9A%84%E5%92%8C%E6%98%AF31%2C%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%B0%91%3F3%EF%BC%89+3.15%E6%97%B6%3D%EF%BC%88%EF%BC%89%E6%97%B6%EF%BC%88%EF%BC%89%E5%88%86+4%EF%BC%89a%2A3%3Db%2F2%28ab%E4%B8%8D%E4%B8%BA0%29%2Ca%3Ab%E6%88%90%EF%BC%88%EF%BC%89%E6%AF%94%E4%BE%8B5%EF%BC%89+6%E4%B8%AA%E7%82%B9%E6%9C%80%E5%A4%9A%E8%BF%9E%E5%87%A0%E6%9D%A1%E7%BA%BF%3F6%EF%BC%89%E7%94%B2%E4%B9%99%E4%B8%A4%E4%B8%AA%E5%B7%A5%E7%A8%8B%E9%98%9F%E5%92%8C%E4%BF%AE%E4%B8%80%E6%AE%B5%E5%85%AC%E8%B7%AF%2C%E5%AE%B6%E5%AF%B9%E5%8D%95%E7%8B%AC%E4%BF%AE%E4%BA%862%E5%A4%A9%2C%E4%B9%99%E9%98%9F%E5%8D%95)
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