1 张伟买了100个球,期中红球占28%,红球与蓝球的比是4:5,蓝球有多少个?2 工程队修一条水渠,第一天修了全长的“四分之一”,第二天修了全长的30%,还剩下900米没修,这条水渠共长多少米?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 21:24:31
![1 张伟买了100个球,期中红球占28%,红球与蓝球的比是4:5,蓝球有多少个?2 工程队修一条水渠,第一天修了全长的“四分之一”,第二天修了全长的30%,还剩下900米没修,这条水渠共长多少米?](/uploads/image/z/13317239-47-9.jpg?t=1+%E5%BC%A0%E4%BC%9F%E4%B9%B0%E4%BA%86100%E4%B8%AA%E7%90%83%2C%E6%9C%9F%E4%B8%AD%E7%BA%A2%E7%90%83%E5%8D%A028%EF%BC%85%2C%E7%BA%A2%E7%90%83%E4%B8%8E%E8%93%9D%E7%90%83%E7%9A%84%E6%AF%94%E6%98%AF4%EF%BC%9A5%2C%E8%93%9D%E7%90%83%E6%9C%89%E5%A4%9A%E5%B0%91%E4%B8%AA%3F2+%E5%B7%A5%E7%A8%8B%E9%98%9F%E4%BF%AE%E4%B8%80%E6%9D%A1%E6%B0%B4%E6%B8%A0%2C%E7%AC%AC%E4%B8%80%E5%A4%A9%E4%BF%AE%E4%BA%86%E5%85%A8%E9%95%BF%E7%9A%84%E2%80%9C%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%80%E2%80%9D%2C%E7%AC%AC%E4%BA%8C%E5%A4%A9%E4%BF%AE%E4%BA%86%E5%85%A8%E9%95%BF%E7%9A%8430%EF%BC%85%2C%E8%BF%98%E5%89%A9%E4%B8%8B900%E7%B1%B3%E6%B2%A1%E4%BF%AE%2C%E8%BF%99%E6%9D%A1%E6%B0%B4%E6%B8%A0%E5%85%B1%E9%95%BF%E5%A4%9A%E5%B0%91%E7%B1%B3%3F)
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