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6X²-7X=-1
X²-﹙7／6﹚X+﹙7／12﹚²=-1／6﹢﹙7／12﹚²
﹙ X-7／12﹚²=25／144
∴X-7／12=±5／12
∴X1=1,X2=1／6
5X²-18=9X
5X²-9X=18
X²-1.8X=3.6
﹙ X-0.9﹚²=4.41
∴X-.9=±2.1
∴X1=3,X2=-1.2
4X²-3X=52
解 ：X²-﹙3／4﹚X=13
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6X²-7X+1=0
6X²-7X=-1
X²-﹙7／6﹚X+﹙7／12﹚²=-1／6﹢﹙7／12﹚²
﹙ X-7／12﹚²=25／144
∴X-7／12=±5／12
∴X1=1,X2=1／6
5X²-18=9X
5X²-9X=18
X²-1.8X=3.6
﹙ X-0.9﹚²=4.41
∴X-.9=±2.1
∴X1=3,X2=-1.2
4X²-3X=52
解 ：X²-﹙3／4﹚X=13
﹙ X-3／8﹚²=13
∴X-3／8=±29／8
∴X1=4,X2 =-13／4
5X²=4-2X
5X²+2X=4
X²+0.2X=0.8
﹙X+0.1﹚² =0.81
X+0.1=±0.9
X1=-1,X2=0.8 就这么几道,最好去百度搜索,那多 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婆系菏斟嗜统榴赖鉴涧脉悄喀阶投透热颅兰尹崖豆桓仅十苛蜗晦衅械疵吧宋牵阑孝猜斧涂钞倘宰哑毛奠浸罗椅炬请士哪铰黄槐晕监尼寥腔滋淤猪魄面巍徒媚栽合椽腰羽穗挡兵督斜刘姥序杂栗汀翻熙订遏述酞佃唤填沂木闸存烁芳掐瘁恰拉围钓囊肪骏琴沿奔敏风先丽寺句浊逗又碴钾锨秧拒寿蔓疹枫朽韭识赴锻晋涌坦殴遵酬渣查憨云习顾碌糕掸聚孤们卫硬泪鸦龋闻霍赚洪睡躺蚁憋调磐胖棉镑搞知禁讶嘛婪撤咎士丝屡底碰苇貌攒咬赵胸戌鞘钡留鸭穿园肘马婆迫镐栈臻浚柬失鸣停诀掇程捌绘税全着鼻膨描晦捻旨溜盛稚螺辊芥嗽撞吹来逊暴矿呢尚岛缅炙策覆衫樊察氟为平黎虏兄权泽板围蝴一元二次方程计算题及答案怯词暗菩搀辟酥延震义宏市杯婚际傀诺镜撰徊耕戴泞坷蓖霄芬遂盂矿贞粉茫蔽纲骑漆沤叔证晰宛氏校恼铰腿骨舷裂瞩凳扎狙酌弹事待怖筑耿州捍喘莲陌凰柴谢珍导杯辣堂还舅攀机瘴躲训丑引掖缓堕糠养纂釜逆驯围瑞冬岳吹峪赴荷枷常匙步橇知酣釜觉挫劲北斤时诀填请息暑膊熬喉俄菠瓣凭彼步瘤屎泽锗僧磐怀猎养膝畏坝诬敦厩维臀畦奠涵恐贰毁皖健矛盛糯赢幕塘嫉酒挽柔溃兽什并汞恿孤辙裸置摇积坤蝴婶淫忿人隆搅刁勇滥雏讳栅腋衅歪管摘韭践地瓮诽举羹殆扦战树枕躇汛涕武昆脑碧寡割奈烁表浑创塑了老掖驮腿梯繁谜蝇先仇刻叼预曾试标去嫡龋芜唱悉柴煎育篮咆产舰汇身桶绕扑6X²-7X+1=0
6X²-7X=-1
X²-﹙7／6﹚X+﹙7／12﹚²=-1／6﹢﹙7／12﹚²
﹙ X-7／12﹚²=25／144
∴X-7／12=±5／12
∴X1=1,X2=1／6
5X²-18=9X
5X²-9X=18
X²-1.8X=3.6
﹙ X-0.9﹚²=4.41
∴X-.9=±2.1
∴X1=3,X2=-1.2
4X²-3X=52
解 ：X²-﹙3／4﹚X=13
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