一元二次方程练习题集

实用标准

一元二次方程练习题集

1)x^2-9x+8=0 (2)x^2+6x-27=0 (3)x^2-2x-80=0 (4)x^2+10x-200=0

(5)x^2-20x+96=0 (6)x^2+23x+76=0 (7)x^2-25x+154=0 (8)x^2-12x-108=0

(9)x^2+4x-252=0

(13)x^2-9x+20=0

(17)x^2-5x-176=0

(21)x^2+13x-140=0

(25)x^2+14x+45=0

(29)x^2+9x-70=0

(33)x^2+19x+34=0

(37)x^2+20x+51=0

(41)x^2-13x-48=0 文档大全

(10)x^2-11x-102=0 (11)x^2+15x-54=0 (12)x^2+11x+18=0 (14)x^2+19x+90=0 (15)x^2-25x+156=0 (16)x^2-22x+57=0 (18)x^2-26x+=0 (19)x^2+10x-11=0 (20)x^2-3x-304=0 (22)x^2+13x-48=0 (23)x^2+5x-176=0 (24)x^2+28x+171=0 (26)x^2-9x-136=0 (27)x^2-15x-76=0 (28)x^2+23x+=0 (30)x^2-1x-56=0 (31)x^2+7x-60=0 (32)x^2+10x-39=0 (34)x^2-6x-160=0 (35)x^2-6x-55=0 (36)x^2-7x-144=0 (38)x^2-9x+14=0 (39)x^2-29x+208=0 (40)x^2+19x-20=0 (42)x^2+10x+24=0 (43)x^2+28x+180=0 (44)x^2-8x-209=0

实用标准

(45)x^2+23x+90=0 (46)x^2+7x+6=0 (47)x^2+16x+28=0 (48)x^2+5x-50=0

(49)x^2+13x-14=0 (50)x^2-23x+102=0 (51)x^2+5x-176=0 (52)x^2-8x-20=0

(53)x^2-16x+39=0 (54)x^2+32x+240=0 (55)x^2+34x+288=0

(57)x^2+19x-20=0 (58)x^2-7x+6=0 (59)x^2+4x-221=0

1 x^2-6x+5=02 2.x^2+4x-5=03 3.4x^2-12x+5=0 4 x^2+4x+4=0

6 x^2+6x-7=0 7 x^2+3x-4=0 8 x^2+5x-6=0 9 a^2-5a+6=0

11 2x^2+5x-3=0 12 x^2-6x+8=0 13 x^2-4x-5=0 14 x^2-8x+15=0

16 4x^2-4x-3=0 17 x^2-6x+8=0 18 x^2-2x-8=0 19 x^2+2x-8=0

3x2-1=0 X2+12X+36=24 X2-4X+1=8 4(6X-7)2-9=0 X2+1/6X-1/3=0 3x2-5x=2 x2+8x=9 x2+12x-15=0 x2+6x-27=0 x2-2x-80=0 x2+10x-200=0 x2-20x+96=0 文档大全

(56)x^2+22x+105=0 (60)x^2+6x-91=0 5 2x^2-5x+2=0 10 c^2+3c-4=0 15 7x^2-8x+1=0 20 4x^2-12x-7=0 X2+X-1=0 x2-9x+8=0 x2+23x+76=0

实用标准

x2-25x+154=0 x2-12x-108=0 x2+4x-252=0 x2-11x-102=0 x2+15x-54=0 x2+11x+18=0 x2-9x+20=0 x2+19x+90=0 x2-25x+156=0 x2-22x+57=0 x2-5x-176=0 x2+13x-48=0 x2-15x-76=0 x2+10x-39=0 x2+20x+51=0 x2+10x+24=0 x2+16x+28=0 x2-16x+39=0 x2-7x+6=0 文档大全

x2-26x+=0 x2+10x-11=0 x2-3x-304=0 x2+13x-140=0 x2+5x-176=0 x2+28x+171=0 x2+14x+45=0 x2-9x-136=0 x2+23x+=0 x2+9x-70=0 x2-1x-56=0 x2+7x-60=0 x2+19x+34=0 x2-6x-160=0 x2-6x-55=0 x2-7x-144=0 x2-9x+14=0 x2-29x+208=0 x2+19x-20=0 x2-13x-48=0 x2+28x+180=0 x2-8x-209=0 x2+23x+90=0 x2+7x+6=0 x2+5x-50=0 x2-23x+102=0 x2+5x-176=0 x2-8x-20=0 x2+32x+240=0 x2+34x+288=0 x2+22x+105=0 x2+19x-20=0 x2+4x-221=0 x2+6x-91=0 x2+8x+12=0 x2+7x-120=0