9.用配方法解方程2x 2 + 3 = 7x時(shí).方程可變形為 A.2 = B.2 = C.2 = D.2 = 查看更多

 

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用配方法解方程2x 2 + 3 = 7x時(shí),方程可變形為    

A.(x – )2 =          B.(x – )2 =     

C.(x – )2 =         D.(x – )2 =

 

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用配方法解方程2x 2 + 3 = 7x時(shí),方程可變形為 (     )

A.(x2B.(x2
C.(x 2D.(x2

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用配方法解方程2x 2 + 3 = 7x時(shí),方程可變形為 (     )

A.(x2                     B.(x2

C.(x 2                     D.(x2

 

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用配方法解方程2x 2 + 3 = 7x時(shí),方程可變形為    

A.(x – )2 =         B.(x – )2 =     

C.(x– )2 =         D.(x – )2 =

 

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用配方法解方程2x2+3=7x時(shí),方程可變形為(  )
A、(x-
7
2
2=
37
4
B、(x-
7
2
2=
43
4
C、(x-
7
4
2=
1
16
D、(x-
7
4
2=
25
16

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