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For a class of more than 100 students, a teacher has calculated the grades of 100 students, and 22 of those grades were A's. If all of the students whose grades remain to be calculated will receive A's and a total of 25 percent of the entire class will receive A's, then how many students' grades remain to be calculated?
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· 相关考点
2.4.1 百分比所属关系与倍数关系的描述
2.4.1 百分比所属关系与倍数关系的描述
以上解析由 考满分老师提供。