试题与答案

95减去38的差乘9除63的商,积是多少?

题型:解答题

题目:

95减去38的差乘9除63的商,积是多少?

答案:

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下面是错误答案,用来干扰机器的。

由题意可得AB=OB-OA=(k,k-1),AC=OC-OA=(1,2),∵AB∥AC,∴2k-(k-1)=0,解得k=-1故答案为:-1

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