一元二次方程专项练习 38.docx

1、一元二次方程专项练习 38x27x9=0 5x22(4x5)=0 3y28y15=0x23x18=0 6x24(3x2)=0 5y27y15=0x23x3=0 6x22(2x5)=0 5y210y10=0x210x17=0 6x23(2x2)=0 2y29y12=0x22x1=0 2x24(2x2)=0 5y28y11=0x210x18=0 4x25(4x2)=0 4y28y1=0x25x5=0 4x24(4x1)=0 4y26y8=0x26x10=0 5x23(4x3)=0 4y23y12=0x22x7=0 2x24(3x2)=0 3y22y19=0x26x20=0 3x22(2x2)=0

2、4y23y14=0x24x18=0 4x23(4x2)=0 2y22y2=0x25x18=0 4x22(2x2)=0 5y210y11=0x26x5=0 5x22(2x5)=0 3y25y14=0x27x6=0 4x22(2x5)=0 5y28y19=0x24x17=0 6x24(3x3)=0 3y210y19=0x27x19=0 5x25(3x4)=0 4y23y2=0x22x10=0 4x24(3x1)=0 3y26y11=0x29x14=0 5x23(4x3)=0 3y25y15=0x22x10=0 4x24(2x5)=0 4y29y15=0x22x2=0 4x24(4x5)=0 2y2

3、6y3=0x28x18=0 4x24(4x3)=0 4y210y5=0x24x18=0 5x22(2x5)=0 5y28y3=0x210x14=0 6x25(4x5)=0 4y24y17=0x24x17=0 6x24(2x4)=0 4y26y2=0x26x11=0 2x23(4x5)=0 4y23y9=0x29x17=0 3x22(4x2)=0 3y29y10=0x210x4=0 3x23(4x3)=0 5y24y16=0x25x5=0 4x23(4x2)=0 3y22y6=0x24x5=0 6x25(4x5)=0 3y23y3=0x27x6=0 3x25(4x2)=0 2y22y11=0x2

4、6x16=0 2x25(2x3)=0 2y27y1=0x22x2=0 3x24(2x1)=0 5y29y20=0x210x7=0 4x23(4x3)=0 5y210y4=0x210x1=0 3x24(4x3)=0 4y28y15=0x25x12=0 6x23(4x5)=0 2y210y19=0x27x5=0 3x22(4x4)=0 5y28y20=0x25x5=0 6x25(3x2)=0 3y25y10=0x25x18=0 2x25(2x4)=0 4y29y7=0x27x16=0 4x23(4x4)=0 5y25y8=0x28x4=0 5x24(4x4)=0 2y26y17=0x28x3=0

5、6x24(4x2)=0 3y24y14=0x22x1=0 2x25(3x3)=0 2y210y2=0x210x20=0 3x23(2x3)=0 4y23y2=0x22x18=0 4x24(2x1)=0 2y28y15=0x23x15=0 4x23(3x4)=0 4y28y20=0x210x14=0 5x25(4x5)=0 4y25y4=0x29x19=0 2x23(2x1)=0 5y22y7=0x29x18=0 4x23(3x2)=0 3y23y14=0x27x13=0 6x24(4x2)=0 3y23y13=0x26x4=0 4x22(4x2)=0 4y25y7=0x24x19=0 5x22

6、(4x1)=0 2y23y5=0x23x3=0 4x23(2x1)=0 5y27y19=0x22x20=0 6x24(2x1)=0 2y27y15=0x29x16=0 2x25(2x1)=0 4y24y19=0x29x19=0 4x22(4x4)=0 5y23y14=0x22x12=0 4x23(2x4)=0 3y27y20=0x23x4=0 5x25(3x1)=0 4y24y19=0x24x18=0 4x23(2x2)=0 4y29y9=0x27x16=0 5x24(2x2)=0 5y28y16=0x24x19=0 4x22(3x3)=0 3y27y14=0x23x10=0 2x22(3x2

7、)=0 2y25y14=0x26x1=0 3x25(3x3)=0 2y27y20=0x28x19=0 5x23(4x4)=0 2y25y20=0x27x15=0 6x25(2x1)=0 3y29y17=0x26x8=0 3x24(4x1)=0 2y25y3=0x27x8=0 3x23(4x5)=0 5y29y9=0x26x9=0 6x23(4x3)=0 2y26y19=0x25x11=0 4x24(4x2)=0 2y25y5=0x24x5=0 3x23(3x1)=0 5y210y13=0x22x17=0 5x23(3x4)=0 2y25y5=0x28x16=0 6x22(3x5)=0 4y24

8、y10=0x210x5=0 2x23(4x5)=0 2y25y13=0x24x3=0 5x23(3x4)=0 3y27y17=0x22x11=0 2x23(2x5)=0 4y210y8=0x22x12=0 2x23(3x4)=0 5y27y14=0x210x10=0 4x23(4x1)=0 3y29y7=0x28x6=0 5x22(2x2)=0 2y27y6=0x210x20=0 5x25(3x1)=0 5y26y15=0x23x6=0 2x22(2x4)=0 2y29y5=0x29x3=0 6x24(4x4)=0 4y23y12=0x24x16=0 2x22(2x4)=0 4y29y18=0x28x7=0 2x24(2x1)=0 2y25y10=0x210x18=0 3x23(2x4)=0 2y27y13=0x22x16=0 4x25(2x5)=0 4y210y5=0