题目：
从3、5、7、11四个数中任取两个数相乘，可以得到多少个不相等的积( )
A．5
B．4
C．6
D．7
答案：
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参考答案：对
从3、5、7、11四个数中任取两个数相乘，可以得到多少个不相等的积( ) A．5
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