一元二次方程专项练习 (51)

 

x2-7x+6=0x2-5x+3=0x2+10x+5=0 x2+10x+12=0 6x2-4(4x-4)=06x2-4(2x-1)=0 4x2+4(3x+1)=0 3x2+3(4x+2)=02y2-2y-7=0 2y2-8y+1=0 3y2+8y-5=0 3y2+8y+4=0

x2+2x-4=0 x2+4x-2=0 x2-5x-7=0 x2+5x+11=0 6x2+3(3x+4)=0 2y2-6y-5=0 2x2+2(2x+5)=0 5y2+8y+18=0 4x2+2(4x-2)=0 2y2+4y+18=0 6x2-4(2x-2)=0 4y2+10y+10=0

x2-6x+6=0 x2-7x-9=0 x2+8x+20=0 x2-9x+2=0 5x2-4(3x-3)=0 3x2-3(2x-1)=0 2x2-2(3x-2)=0 4x2-4(4x+2)=0 3y2-6y+16=0 2y2-5y+20=0 2y2+4y-13=0 4y2-5y-7=0

x2+10x+18=0 3x2-2(2x-3)=0 4y2-4y+16=0 x2+5x-11=0

x2-6x+3=0

x2+4x-18=0 6x2-5(4x+3)=0 5x2-3(4x+3)=0 6x2+2(3x+4)=0 3y2-3y-17=0 5y2+6y+4=0 2y2-2y+15=0

x2-7x-18=0 2x2-4(2x-1)=0 4y2-3y+3=0 x2+3x-6=0

x2-4x+18=0

x2+6x+14=0 3x2+4(2x+4)=0 5y2+6y+2=0 6x2+3(4x+1)=0 4y2-10y-1=0 2x2+3(2x+5)=0 3y2-7y+13=0

x2+8x+7=0 x2+7x-2=0 x2+9x-10=0 x2-9x+1=0 6x2+5(2x-3)=0 4y2+9y+1=0 3x2+2(2x-1)=0 2y2-2y+12=0 5x2+2(3x+2)=0 4y2-9y-12=0 3x2+5(2x+4)=0 5y2+3y-15=0

x2-10x-7=0 3x2+3(4x-2)=0 x2-10x-8=0 2x2+4(4x+1)=0 x2-10x+19=0 2x2-2(4x+2)=0 x2+5x-3=0 6x2+5(4x-3)=0 4y2+7y+5=0 4y2+10y+7=0 4y2-3y+9=0 5y2-6y+15=0

x2+9x+2=0 x2-6x-10=0 x2-10x+2=0

x2-3x-2=0 6x2-3(3x+3)=0 6x2+5(4x+3)=0 5x2+2(4x-4)=0 5x2+3(2x-1)=0 5y2-2y-10=0 4y2-7y-18=0 2y2-7y+9=0 2y2+8y+4=0

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