实数计算100道

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(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

(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

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