1.六年一班和六年二班租车去郊游,共用去450元,已知六一班有45人,六二班有30人,六一和六二班各用去多少元?2.用药剂和水配制一种消毒药水.药剂和水的质量的比是1:20.(1).要配置这种药水42
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![1.六年一班和六年二班租车去郊游,共用去450元,已知六一班有45人,六二班有30人,六一和六二班各用去多少元?2.用药剂和水配制一种消毒药水.药剂和水的质量的比是1:20.(1).要配置这种药水42](/uploads/image/z/753167-47-7.jpg?t=1.%E5%85%AD%E5%B9%B4%E4%B8%80%E7%8F%AD%E5%92%8C%E5%85%AD%E5%B9%B4%E4%BA%8C%E7%8F%AD%E7%A7%9F%E8%BD%A6%E5%8E%BB%E9%83%8A%E6%B8%B8%2C%E5%85%B1%E7%94%A8%E5%8E%BB450%E5%85%83%2C%E5%B7%B2%E7%9F%A5%E5%85%AD%E4%B8%80%E7%8F%AD%E6%9C%8945%E4%BA%BA%2C%E5%85%AD%E4%BA%8C%E7%8F%AD%E6%9C%8930%E4%BA%BA%2C%E5%85%AD%E4%B8%80%E5%92%8C%E5%85%AD%E4%BA%8C%E7%8F%AD%E5%90%84%E7%94%A8%E5%8E%BB%E5%A4%9A%E5%B0%91%E5%85%83%3F2.%E7%94%A8%E8%8D%AF%E5%89%82%E5%92%8C%E6%B0%B4%E9%85%8D%E5%88%B6%E4%B8%80%E7%A7%8D%E6%B6%88%E6%AF%92%E8%8D%AF%E6%B0%B4.%E8%8D%AF%E5%89%82%E5%92%8C%E6%B0%B4%E7%9A%84%E8%B4%A8%E9%87%8F%E7%9A%84%E6%AF%94%E6%98%AF1%EF%BC%9A20.%EF%BC%881%EF%BC%89.%E8%A6%81%E9%85%8D%E7%BD%AE%E8%BF%99%E7%A7%8D%E8%8D%AF%E6%B0%B442)
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