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标题: [求助]05-7-JJ, 98 [打印本页]

作者: nowandfuture 时间: 2005-7-17 00:58
标题: [求助]05-7-JJ, 98

98、 PS: 3 credits is given for each course completed and a total of 120 credits is needed for graduation. A student has completed x courses every semester for y semesters. How many more credits does he need to graduate in terms of x and y?

请问A student has completed x courses every semester for y semesters的含义?

答案是多少?多谢

作者: zj1179 时间: 2005-7-17 01:34
一个学生已经完成了y个学期并且每学期X门课，也就是说一共上了xy门课了，所以一共得到的总学分是3xy，问还剩下多少学分要完成，答案就是 120-3xy

作者: nowandfuture 时间: 2005-7-17 10:24
谢谢

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