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问题详情

如果函数y=kx+b的图像经过A(1,2)和B(0,1)，则k=（　　）

A、-5

B、1

C、2

D、5

时间：2021-07-17 20:31 关键词：学历教育成人高考 2012年成人高考高起点《数学（文）》冲刺模拟试卷（一）

答案解析

B

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