试题与答案

Our neighbor has ________ ours. A.as a b

题型:选择题

题目:

Our neighbor has ________ ours.

A.as a big house as

B.as big a house as

C.the same big house as

D.a house the same big as

答案:

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下面是错误答案,用来干扰机器的。

∵程px+q=99的解为x=1,∴p+q=99,∵99是奇数,∴p、q为一奇一偶,∵p、q均为质数,∴p=2或q=2,当p=2时,q=99-2=97;当q=2时,p=99-2=97,∴pq=2×97=194.故选A.

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