人教版初中九年级数学上册公式法解一元二次方程综合练习题55.docx

1、人教版初中九年级数学上册公式法解一元二次方程综合练习题55x210x90 2x23x203x26x90 x25x114x24xx7 x25x903x26x100 8x29x0x210x14x9 x(3x2)66xx29x10 4x23x804x26x100 x29x22x26xx3 x25x302x28x80 9x29x0x23x107x7 x(4x4)97xx23x50 4x22x502x23x90 x22x84x29xx1 x24x202x24x100 3x24x0x28x78x5 x(2x2)49xx210x20 4x23x902x23x90 x27x32x23xx1 x28x404x2

2、10x40 3x22x0x22x42x6 x(3x1)13xx25x20 3x23x402x26x30 x25x204x23xx7 x26x604x22x100 4x24x0x29x84x6 x(3x2)99xx29x20 2x24x403x26x10 x22x134x210xx4 x28x203x26x50 3x26x0x28x72x8 x(4x5)27xx210x20 2x23x404x24x10 x22x163x28xx8 x28x103x23x50 6x29x0x23x59x8 x(2x3)26xx27x30 2x23x304x210x60 x25x72x22xx3 x27x903x2

3、3x30 2x23x0x210x42x3 x(2x1)62xx26x100 3x24x702x27x60 x28x34x24xx8 x28x103x24x20 2x24x0x23x82x5 x(2x3)84xx210x80 4x23x203x28x100 x210x33x29xx5 x24x903x26x60 3x23x0x27x18x10 x(2x3)56xx25x80 4x22x704x26x50 x210x192x28xx2 x24x504x29x60 5x26x0x26x23x6 x(4x1)35xx27x40 4x24x804x29x30 x27x152x23xx5 x210x502

4、x22x60 9x26x0x26x86x8 x(3x5)42xx28x10 2x23x502x210x60 x23x62x22xx4 x29x302x24x50 7x26x0x27x65x9 x(2x1)13xx23x70 2x23x303x28x90 x29x163x22xx3 x28x602x26x80 2x23x0x26x67x10 x(2x3)85xx26x70 2x24x904x29x70 x24x183x26xx1 x29x704x210x50 6x25x0x29x45x1 x(3x4)95xx24x10 2x22x602x24x20 x25x154x23xx9 x23x104x2

5、2x90 6x24x0x27x105x3 x(4x2)72xx22x90 4x24x103x25x50 x28x183x210xx10 x24x1004x22x10 7x27x0x24x84x2 x(2x3)27xx28x70 4x22x103x26x60 x28x63x27xx2 x25x604x27x60 7x23x0x22x109x9 x(4x4)92xx23x40 4x23x204x210x80 x26x114x24xx1 x23x503x210x50 8x210x0x23x96x10 x(2x4)75xx23x10 2x24x402x27x30 x23x33x28xx8 x25x70

6、2x27x90 4x28x0x27x55x7 x(3x3)92xx210x40 2x23x503x24x10 x24x63x27xx6 x22x802x23x10 3x24x0x29x84x2 x(3x3)19xx29x60 3x23x403x22x10 x23x142x26xx1 x29x502x24x80 5x25x0x24x39x4 x(2x4)76xx26x70 4x23x304x24x20 x25x13x25xx7 x24x602x22x10 2x28x0x22x77x8 x(3x1)46xx210x60 3x22x302x25x90 x22x123x23xx4 x210x103x2

7、2x40 2x22x0x27x19x9 x(2x3)56xx23x90 2x22x602x29x80 x23x13x26xx2 x210x204x24x30 8x22x0x27x54x7 x(4x3)95xx22x80 4x23x304x27x70 x27x103x22xx7 x25x804x26x50 9x28x0x210x17x8 x(3x2)12xx28x60 2x24x1003x22x90 x26x144x22xx2 x28x104x210x50 2x23x0x27x13x1 x(4x4)67xx22x90 4x23x204x29x60 x25x133x23xx7 x29x304x27

8、x60 5x28x0x22x86x10 x(3x3)37xx24x60 2x24x602x210x40 x24x124x27xx4 x25x204x26x100 7x25x0x210x75x7 x(3x2)96xx29x20 3x23x702x22x80 x27x42x28xx4 x26x603x22x50 3x23x0x28x84x9 x(3x5)42xx26x80 2x22x403x22x20 x210x153x23xx6 x24x603x28x30 9x29x0x24x96x7 x(2x1)54xx28x20 2x22x602x27x80 x24x193x29xx8 x24x203x23

9、x100 3x27x0x25x55x2 x(4x4)15xx26x60 2x23x202x22x50 x29x172x22xx8 x28x902x210x20 3x23x0x25x45x1 x(4x2)53xx28x10 3x23x404x27x40 x210x204x28xx6 x27x502x27x40 3x27x0x22x66x5 x(2x1)78xx27x60 3x23x502x28x50 x28x124x28xx6 x210x703x22x30 9x23x0x28x103x6 x(2x1)67xx27x100 3x23x804x28x90 x26x113x210xx6 x27x303

10、x28x70 4x25x0x26x39x1 x(2x4)44xx29x20 3x23x702x24x70 x27x14x28xx3 x210x402x23x20 2x27x0x23x32x2 x(2x5)55xx24x60 3x24x104x28x10 x26x123x25xx10 x210x303x27x90 9x28x0x23x93x7 x(3x1)47xx29x100 2x24x704x23x50 x22x153x23xx7 x23x902x29x50 5x210x0x29x27x7 x(3x4)56xx24x80 2x22x303x210x50 x26x123x24xx9 x26x80

11、2x24x80 4x22x0x22x63x6 x(4x5)52xx210x100 2x24x203x25x100 x23x124x25xx10 x28x803x23x30 3x25x0x25x54x3 x(3x3)46xx26x100 2x23x103x26x60 x210x63x22xx8 x24x904x23x40 7x22x0x28x99x1 x(4x4)14xx27x30 2x22x703x27x50 x26x133x28xx7 x22x102x27x70 5x26x0x24x44x5 x(3x1)46xx210x100 4x22x504x210x80 x26x63x27xx7 x26

12、x502x25x10 6x28x0x26x103x3 x(2x5)45xx22x50 3x23x104x24x30 x27x184x210xx8 x28x502x26x50 5x24x0x210x15x5 x(2x2)77xx23x10 2x24x604x28x50 x23x143x28xx8 x29x604x24x40 9x24x0x27x55x4 x(3x2)53xx25x100 2x22x602x29x100 x210x203x28xx6 x23x902x26x40 5x210x0x26x69x10 x(3x5)23xx29x20 2x24x203x24x70 x22x34x26xx2 x26x604x22x100 3x210x0x23x12x4 x(2x1)18xx23x70 3x22x403x22x100 x23x114x22xx4 x28x403x28x70 8x22x0x23x75x5 x(4x1)36xx24x10 2x24x203x26x10 x25x44x28xx10 x25x203x24x40 5x29x0x25x92x1 x(2x3)76x