作业帮SAT 的一道数学的题
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SAT 的一道数学的题
When 15 is divided by the positive integer K,the remainder is 3.For how many different values of K is this true?
[A]one
[B]two
[C]three
[D]four
[E]five
另一道The number that results when an integer is mutiplied by itself cannot end in which of the following digits?[A]1 [B]4 [C]5 [D]6 [E]8
请翻译并给出答案
When 15 is divided by the positive integer K,the remainder is 3.For how many different values of K is this true?
[A]one
[B]two
[C]three
[D]four
[E]five
另一道The number that results when an integer is mutiplied by itself cannot end in which of the following digits?[A]1 [B]4 [C]5 [D]6 [E]8
请翻译并给出答案
4、6、12,so the answer should be c