若x-1的绝对值+[y-3]²=0,计算,[xy-X²]除以X²-2xy+y²/xy乘以x-y/X²

\u5df2\u77e5x+3\u5206\u4e4bx\u7684\u7edd\u5bf9\u503c-3\u7684\u503c\u4e3a0\uff0cy-1\u5206\u4e4by\u65e0\u610f\u4e49\uff0c\u6c42xy-y²\u5206\u4e4bx²+2xy+y

{ |x|-3} / (x+3)=0\uff0c|x|-3=0\u4e14x+3\u22600\uff0c\u5f97x=3
y/(y-1)\u65e0\u610f\u4e49\uff0c\u2234y-1=0\uff0cy=1
(x²+2xy+y)/(xy-y²)=(x+y)^2 /{y(x-y)} = (3+1)^2 /{1*(3-1)} =16/2=8

(x-5)^2=8y-y^2-16
(x-5)^2=-(y-4)^2
(x-5)^2+(y-4)^2=0
\u7531\u4e8e\u5e73\u65b9\u9879\u6052\u975e\u8d1f\uff0c\u56e0\u6b64\u4e24\u5e73\u65b9\u9879\u5747=0
x-5=0 x=5
y-4=0 y=4

x=5 y=4

x=1
y=3
[xy-X²]/X²-2xy+y²/xy*x-y/X²
=2-6 +3-3=-4

|X-1|+(Y-3)²=0
X-1=0,X=1‘;Y-3=0,Y=3
(XY-X²)÷(X²-2X+Y²)/XY×(X-Y)/X²
=X(Y-X)×XY/(X-Y)²×(X-Y)/X²
=-Y
代入Y=3
原式=-3

解答:
|x-1|+(y-3)^2=0,所以:x-1=0且y-3=0,解得:x=1,y=3

(xy-x^2)除[(x^2-2xy+y^2)/xy]*(x-y)/x^2
=x(y-x)*xy/(x-y)^2*(x-y)/x^2
=-y=-3

由已知条件可知:X=1 Y=3
则那个复杂的算式结果是:2

  • 鑻,鑻鍑涓鐨勭粷瀵瑰,棰勭害y-涓鐨勭粷瀵瑰,浜掍负鐩稿弽鏁,姹-x-y
    绛旓細鍥炵瓟锛x-1=0,y-3=0,鎵浠=1,y=3,-x-y=-4
  • 鑻-1鐨勭粷瀵瑰+[y-3]⊃2;=0,璁$畻,[xy-X⊃2;]闄や互X⊃2;-2xy+y...
    绛旓細x=1 y=3 [xy-X²]/X²-2xy+y²/xy*x-y/X²=2-6 +3-3=-4
  • 鑻x-1|+|y-3|=0,姹1/xy+1/(x+2)(y+2)+1/(x+4)(y+4)+1/(x+6)(y+6...
    绛旓細缁濆鍊椤规亽闈炶礋锛屼袱缁濆鍊奸」涔嬪拰=0锛屼袱缁濆鍊奸」鍒嗗埆=0 x-1=0 x=1 y-3=0 y=3 y=x+2 1/(xy)+1/[(x+2)(y+2)]+1/[(x+4)(y+4)]+...+1/[(x+2010)(y+2010)]=1/[x(x+2)]+1/[(x+2)(x+4)]+1/[(x+4)(x+6)]+...+1/[(x+2010)(x+2012)]=(1/2...
  • x-1鐨勭粷瀵瑰鏄灏?
    绛旓細x-1鐨勭粷瀵瑰涓鑻锛1锛屽垯涓╔-1涓=X-1锛岃嫢X=1锛屽垯涓╔-1涓=0锛岃嫢X锛1锛屽垯涓╔-1涓=1-X銆1銆佺粷瀵瑰肩畝浠嬨傜粷瀵瑰兼槸鎸囦竴涓暟鍦ㄦ暟杞翠笂鎵瀵瑰簲鐐瑰埌鍘熺偣鐨勮窛绂伙紝鐢ㄢ渱|鈥濇潵琛ㄧず銆倈b-a|鎴東a-b|琛ㄧず鏁拌酱涓婅〃绀篴鐨勭偣鍜岃〃绀篵鐨勭偣鐨勮窛绂汇傚湪鏁板涓紝缁濆鍊兼垨妯℃暟|x|涓洪潪璐熷硷紝鑰屼笉鑰冭檻鍏...
  • 鑻-1鐨勭粷瀵瑰+y+3鐨勭粷瀵瑰=0 鍒檡-x-浜屽垎涔嬩竴绛変簬
    绛旓細x-1鐨勭粷瀵瑰澶т簬绛変簬0锛寉+3鐨勭粷瀵瑰煎ぇ浜庣瓑浜0銆備袱涓ぇ浜庣瓑浜0鐨勬暟鍔犺捣鏉ョ瓑浜0銆傚垯锛寈-1=0.y+3=0鍙緱x=1锛寉=-3銆傛墍浠-x-0.5=-3-1-0.5=4.5
  • 鑻鍑涓鐨勭粷瀵瑰绛変簬浜,y鐨勭粷瀵瑰肩瓑浜庝笁,xy澶т簬闆,姹倄鍔爕鐨勫.甯府鍚...
    绛旓細x鍑涓鐨勭粷瀵瑰绛変簬浜,x=-1鎴3 y鐨勭粷瀵瑰肩瓑浜涓,y=-3鎴3 x+y=-4鎴6
  • 鑻-1鐨勭粷瀵瑰+y+3鐨勭粷瀵瑰=0,璇曟眰,x鐨2009娆℃柟+y鐨勫钩鏂+2xy鐨勫
    绛旓細鑻-1鐨勭粷瀵瑰+y+3鐨勭粷瀵瑰=0 涓や釜闈炶礋鏁扮殑鍜屼负0锛屽垯姣忎釜鏁板潎涓0 鏁呮湁x-1=0涓攜+3=0 浠庤孹=1锛Y=-3 灏哫=1锛孻=-3浠e叆鍘熷紡 寰梮鐨2009娆℃柟+y鐨勫钩鏂+2xy =1鐨2009娆℃柟+锛-3锛夌殑骞虫柟+2*1*锛-3锛=1+9-6 =4
  • y=x-1 鐨勭粷瀵瑰 鐨勫鍋舵
    绛旓細鑻 -x-1鈮0 鍗硏鈮-1 鍒檉(-x)=-x-1=-x-1 鑻 -x-1<0 鍗硏>锛1 鍒檉(-x)=-(-x-1)=x+1 鍥犱负f(-x)涓嶇瓑浜巉(x)鎴-f(x)鏁呮鍑芥暟鏃笉鏄鍑芥暟锛屼篃涓嶄负鍋跺嚱鏁 f(-x)=-(-x-1)=x+1 鑻-1<0 鍗硏<1鍒檉(x)=1-x f(-x)=(-x-1)...
  • 鑻涓1鐨勭粷瀵瑰鍔(y鍗3)鐨勫钩鏂瑰姞x鍗亂鍗亃鐨勫钩鏂规牴绛変簬0,姹倄鍗亂涓2鐨...
    绛旓細2013-10-26 鑻-1鐨勭粷瀵瑰+(y+3)鐨勫钩鏂+鏍瑰彿x+y+z=0,姹倄... 3 2013-11-28 鑻+y-2鐨勭粷瀵瑰+(y-z-3)鐨勫钩鏂+(z-x-1)鐨... 9 2014-10-14 鑻+3鐨勭粷瀵瑰煎姞涓婃嫭鍙4鍗亂鐨勫钩鏂瑰姞涓妟+2鐨勫钩鏂规牴绛変簬o... 7 2017-12-16 鑻鍑忎笁鐨勭粷瀵瑰间笌y鍔犱簩鐨勭粷瀵瑰间簰涓虹浉鍙嶆暟姹倄鍔爕鍔犱笁...
  •   鑻x-2|涓巪y-3|浜掍负鐩稿弽鏁,鍒檟+y=
    绛旓細|x-2|=-|y-3|鐢变簬缁濆鍊鍙兘鏄ぇ浜庢垨绛変簬0鐨 鎵浠ユ湁|x-2|=0 鍙緱x=2 鍚岀悊鍙緱x=3 鎵浠+y=2+3=5 鍑犱綍鎰忎箟 1銆佺浉鍙嶆暟鐨勫嚑浣曟剰涔 鍦ㄦ暟杞翠笂锛屽埌鍘熺偣涓よ竟璺濈鐩哥瓑鐨勪袱涓偣琛ㄧず鐨勪袱涓暟鏄簰涓虹浉鍙嶆暟銆傝ˉ鍏呯1鏉★細杩欏鐩稿弽鏁颁竴瀹氫负缁濆鍊笺2銆佸湪鏁拌酱涓婏紝浜掍负鐩稿弽鏁帮紙0闄ゅ锛夌殑涓や釜鐐...
  • 扩展阅读:初一绝对值讲解课程视频 ... 丨a一b丨的绝对值 ... 一丨一2丨的绝对值是 ... 丨一4丨的绝对值是 ... vivo x fold2 ... y x-1的绝对值的图像 ... 丨z丨的含义 ... yx-1的绝对值简图 ... 初一绝对值化简的口诀 ...

    本站交流只代表网友个人观点,与本站立场无关
    欢迎反馈与建议,请联系电邮
    2024© 车视网