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For any numbers a, b, and c, For which of the following equations is it true that there is exactly one positive integer that sat
For any numbers a, b, and c, For which of the following equations is it true that there is exactly one positive integer that sat
admin
2012-01-15
107
问题
For any numbers a, b, and c,
For which of the following equations is it true that there is exactly one positive integer that satisfies it’?
选项
A、none
B、Ⅰ only
C、Ⅲ only
D、Ⅰ and Ⅲ only
E、Ⅰ, Ⅱ, and Ⅲ
答案
C
解析
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