单项选择题

If x is an integer, then the units digit of x squared cannot be

(A) 0
(B) 1
(C) 2
(D) 5
(E) 6
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单项选择题
Which is both the mean and the median of 5 consecutive integers the least of which is x
(A) x+4
(B) x+3
(C) x+2
(D)

(E)

单项选择题
A．if the quantity in Column A is greater;B．if the quantity in column B is greater;C．if the two quantities are equal;D．if you cannot determine the relationship based on the given information
A．if the quantity in Column A is greater;
B．if the quantity in column B is greater;
C．if the two quantities are equal;
D．if you cannot determine the relationship based on the given information
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