ABC三个盒子里装着黑白两种颜色的球,三个盒子里所装球的数量相等.A盒里的白球个数与B盒里的黑球个数相等C盒里的黑球个数是C盒里所有球个数的20%.全部黑球个数占总球数的百分之几?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/12 12:49:31
![ABC三个盒子里装着黑白两种颜色的球,三个盒子里所装球的数量相等.A盒里的白球个数与B盒里的黑球个数相等C盒里的黑球个数是C盒里所有球个数的20%.全部黑球个数占总球数的百分之几?](/uploads/image/z/3069515-11-5.jpg?t=ABC%E4%B8%89%E4%B8%AA%E7%9B%92%E5%AD%90%E9%87%8C%E8%A3%85%E7%9D%80%E9%BB%91%E7%99%BD%E4%B8%A4%E7%A7%8D%E9%A2%9C%E8%89%B2%E7%9A%84%E7%90%83%2C%E4%B8%89%E4%B8%AA%E7%9B%92%E5%AD%90%E9%87%8C%E6%89%80%E8%A3%85%E7%90%83%E7%9A%84%E6%95%B0%E9%87%8F%E7%9B%B8%E7%AD%89.A%E7%9B%92%E9%87%8C%E7%9A%84%E7%99%BD%E7%90%83%E4%B8%AA%E6%95%B0%E4%B8%8EB%E7%9B%92%E9%87%8C%E7%9A%84%E9%BB%91%E7%90%83%E4%B8%AA%E6%95%B0%E7%9B%B8%E7%AD%89C%E7%9B%92%E9%87%8C%E7%9A%84%E9%BB%91%E7%90%83%E4%B8%AA%E6%95%B0%E6%98%AFC%E7%9B%92%E9%87%8C%E6%89%80%E6%9C%89%E7%90%83%E4%B8%AA%E6%95%B0%E7%9A%8420%25.%E5%85%A8%E9%83%A8%E9%BB%91%E7%90%83%E4%B8%AA%E6%95%B0%E5%8D%A0%E6%80%BB%E7%90%83%E6%95%B0%E7%9A%84%E7%99%BE%E5%88%86%E4%B9%8B%E5%87%A0%3F)
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