单项选择题
If n=pqr,where P,q,and r are three different positive prime numbers,how many different positive divisors does n have.including 1 and n()
A. 3
B. 5
C. 6
D. 7
E. 8
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单项选择题
Of the following,which is most nearly equal to ()
A.A
B.B
C.C
D.D
E.E
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单项选择题
Of the following,which is greatest()
A.A
B.B
C.C
D.D
E.E
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