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题目内容双击单词支持查询和收藏哦～
In a class, 90% of the students who choose physics choose math, 60% of the students who choose math choose physics, 30% of the students choose physics, what percent of the students choose math?
Give your answer as a percent.
_____%
Give your answer as a percent.
_____%
45 显示答案
以上解析由 考满分老师提供。
