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  • 1 # 使用者8088636786278

    1)x^2-9x+8=0 答案:x1=8 x2=1

    (2)x^2+6x-27=0 答案:x1=3 x2=-9

    (3)x^2-2x-80=0 答案:x1=-8 x2=10

    (4)x^2+10x-200=0 答案:x1=-20 x2=10

    (5)x^2-20x+96=0 答案:x1=12 x2=8

    (6)x^2+23x+76=0 答案:x1=-19 x2=-4

    (7)x^2-25x+154=0 答案:x1=14 x2=11

    (8)x^2-12x-108=0 答案:x1=-6 x2=18

    (9)x^2+4x-252=0 答案:x1=14 x2=-18

    (10)x^2-11x-102=0 答案:x1=17 x2=-6

    (11)x^2+15x-54=0 答案:x1=-18 x2=3

    (12)x^2+11x+18=0 答案:x1=-2 x2=-9

    (13)x^2-9x+20=0 答案:x1=4 x2=5

    (14)x^2+19x+90=0 答案:x1=-10 x2=-9

    (15)x^2-25x+156=0 答案:x1=13 x2=12

    (16)x^2-22x+57=0 答案:x1=3 x2=19

    (17)x^2-5x-176=0 答案:x1=16 x2=-11

    (18)x^2-26x+133=0 答案:x1=7 x2=19

    (19)x^2+10x-11=0 答案:x1=-11 x2=1

    (20)x^2-3x-304=0 答案:x1=-16 x2=19

    (21)x^2+13x-140=0 答案:x1=7 x2=-20

    (22)x^2+13x-48=0 答案:x1=3 x2=-16

    (23)x^2+5x-176=0 答案:x1=-16 x2=11

    (24)x^2+28x+171=0 答案:x1=-9 x2=-19

    (25)x^2+14x+45=0 答案:x1=-9 x2=-5

    (26)x^2-9x-136=0 答案:x1=-8 x2=17

    (27)x^2-15x-76=0 答案:x1=19 x2=-4

    (28)x^2+23x+126=0 答案:x1=-9 x2=-14

    (29)x^2+9x-70=0 答案:x1=-14 x2=5

    (30)x^2-1x-56=0 答案:x1=8 x2=-7

    (31)x^2+7x-60=0 答案:x1=5 x2=-12

    (32)x^2+10x-39=0 答案:x1=-13 x2=3

    (33)x^2+19x+34=0 答案:x1=-17 x2=-2

    (34)x^2-6x-160=0 答案:x1=16 x2=-10

    (35)x^2-6x-55=0 答案:x1=11 x2=-5

    (36)x^2-7x-144=0 答案:x1=-9 x2=16

    (37)x^2+20x+51=0 答案:x1=-3 x2=-17

    (38)x^2-9x+14=0 答案:x1=2 x2=7

    (39)x^2-29x+208=0 答案:x1=16 x2=13

    (40)x^2+19x-20=0 答案:x1=-20 x2=1

    (41)x^2-13x-48=0 答案:x1=16 x2=-3

    (42)x^2+10x+24=0 答案:x1=-6 x2=-4

    (43)x^2+28x+180=0 答案:x1=-10 x2=-18

    (44)x^2-8x-209=0 答案:x1=-11 x2=19

    (45)x^2+23x+90=0 答案:x1=-18 x2=-5

    (46)x^2+7x+6=0 答案:x1=-6 x2=-1

    (47)x^2+16x+28=0 答案:x1=-14 x2=-2

    (48)x^2+5x-50=0 答案:x1=-10 x2=5

    (49)x^2+13x-14=0 答案:x1=1 x2=-14

    (50)x^2-23x+102=0 答案:x1=17 x2=6

    (51)x^2+5x-176=0 答案:x1=-16 x2=11

    (52)x^2-8x-20=0 答案:x1=-2 x2=10

    (53)x^2-16x+39=0 答案:x1=3 x2=13

    (54)x^2+32x+240=0 答案:x1=-20 x2=-12

    (55)x^2+34x+288=0 答案:x1=-18 x2=-16

    (56)x^2+22x+105=0 答案:x1=-7 x2=-15

    (57)x^2+19x-20=0 答案:x1=-20 x2=1

    (58)x^2-7x+6=0 答案:x1=6 x2=1

    (59)x^2+4x-221=0 答案:x1=13 x2=-17

    (60)x^2+6x-91=0 答案:x1=-13 x2=7

    (61)x^2+8x+12=0 答案:x1=-2 x2=-6

    (62)x^2+7x-120=0 答案:x1=-15 x2=8

    (63)x^2-18x+17=0 答案:x1=17 x2=1

    (64)x^2+7x-170=0 答案:x1=-17 x2=10

    (65)x^2+6x+8=0 答案:x1=-4 x2=-2

    (66)x^2+13x+12=0 答案:x1=-1 x2=-12

    (67)x^2+24x+119=0 答案:x1=-7 x2=-17

    (68)x^2+11x-42=0 答案:x1=3 x2=-14

    (69)x^20x-289=0 答案:x1=17 x2=-17

    (70)x^2+13x+30=0 答案:x1=-3 x2=-10

    (71)x^2-24x+140=0 答案:x1=14 x2=10

    (72)x^2+4x-60=0 答案:x1=-10 x2=6

    (73)x^2+27x+170=0 答案:x1=-10 x2=-17

    (74)x^2+27x+152=0 答案:x1=-19 x2=-8

    (75)x^2-2x-99=0 答案:x1=11 x2=-9

    (76)x^2+12x+11=0 答案:x1=-11 x2=-1

    (77)x^2+17x+70=0 答案:x1=-10 x2=-7

    (78)x^2+20x+19=0 答案:x1=-19 x2=-1

    (79)x^2-2x-168=0 答案:x1=-12 x2=14

    (80)x^2-13x+30=0 答案:x1=3 x2=10

    (81)x^2-10x-119=0 答案:x1=17 x2=-7

    (82)x^2+16x-17=0 答案:x1=1 x2=-17

    (83)x^2-1x-20=0 答案:x1=5 x2=-4

    (84)x^2-2x-288=0 答案:x1=18 x2=-16

    (85)x^2-20x+64=0 答案:x1=16 x2=4

    (86)x^2+22x+105=0 答案:x1=-7 x2=-15

    (87)x^2+13x+12=0 答案:x1=-1 x2=-12

    (88)x^2-4x-285=0 答案:x1=19 x2=-15

    (89)x^2+26x+133=0 答案:x1=-19 x2=-7

    (90)x^2-17x+16=0 答案:x1=1 x2=16

    (91)x^2+3x-4=0 答案:x1=1 x2=-4

    (92)x^2-14x+48=0 答案:x1=6 x2=8

    (93)x^2-12x-133=0 答案:x1=19 x2=-7

    (94)x^2+5x+4=0 答案:x1=-1 x2=-4

    (95)x^2+6x-91=0 答案:x1=7 x2=-13

    (96)x^2+3x-4=0 答案:x1=-4 x2=1

    (97)x^2-13x+12=0 答案:x1=12 x2=1

    (98)x^2+7x-44=0 答案:x1=-11 x2=4

    (99)x^2-6x-7=0 答案:x1=-1 x2=7

    (100)x^2-9x-90=0 答案:x1=15 x2=-6

    (101)x^2+17x+72=0 答案:x1=-8 x2=-9

    (102)x^2+13x-14=0 答案:x1=-14 x2=1

    (103)x^2+9x-36=0 答案:x1=-12 x2=3

    (104)x^2-9x-90=0 答案:x1=-6 x2=15

    (105)x^2+14x+13=0 答案:x1=-1 x2=-13

    (106)x^2-16x+63=0 答案:x1=7 x2=9

    (107)x^2-15x+44=0 答案:x1=4 x2=11

    (108)x^2+2x-168=0 答案:x1=-14 x2=12

    (109)x^2-6x-216=0 答案:x1=-12 x2=18

    (110)x^2-6x-55=0 答案:x1=11 x2=-5

    (111)x^2+18x+32=0 答案:x1=-2 x2=-16

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