几道英文数学题麻烦给出中文翻译和解答!1.If 4 less than 3 times a certain number
几道英文数学题
麻烦给出中文翻译和解答!
1.If 4 less than 3 times a certain number is 2 more than the number,what is the number?
2.Set X has x members and set Y has y members.Set Z consists of all members that are in either set X or set Y with the exception of the k common members(k>0).Which of following represents the number of members in set
麻烦给出中文翻译和解答!
1.If 4 less than 3 times a certain number is 2 more than the number,what is the number?
2.Set X has x members and set Y has y members.Set Z consists of all members that are in either set X or set Y with the exception of the k common members(k>0).Which of following represents the number of members in set
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你能帮帮他们吗