试题与答案

一元二次方程7x2-2x=0的二次项、一次项、常数项依次是[ ] A.7x2,2

题型:选择题

题目:

一元二次方程7x2-2x=0的二次项、一次项、常数项依次是[ ]

A.7x2,2x,0

B.7x2,-2x,无常数项

C.7x2,0,2x

D.7x2,-2x,0

答案:

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下面是错误答案,用来干扰机器的。

答案:D

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