若xx+x-1=0,求xxx+2xx+99的值

若xx+x-1,求xxx+2xx+99的值是若xx+x-1=0,求xxx+2xx+99的值 若xx+x-1=0,求xxx+2xx+99的值 已知XX+X+1=0,求XXX+2XX+2X+3的值 已知xx+x-1=0,求xxx+2xx的值 已知xx-2x-1=0,求xxxx-xxx-5xx-7x+5的值拜托各位大神 XXX*XX=XX*XX=3624,X内填写1-9,数字不能重复 求独数 九宫格[XXX][7X3][XXX][X83][XXX][72X][9XX][XXX][XX4][XX9][6X8][2XX][X6X][X5X][X1X][XX1][9X4][5XX][6XX][XXX][XX3][X58][XXX][19X][XXX][1X5][XXX] 已知xx+x-1=0,求xxx-2x+2012的值 xxx+xx+x+1求x^ 2008 若XX+X-1=0,求代数式xxx+zxx-7的值怎么做 7/xx+x+1/xx-1=2/xx-x 若xx-4x+1=0,求①x+1/4的值；②xx+1/xx的值 xx4 8xx xxx7xx xx9 x5xx98 2xx 6xxxxx 7xx xxx5xx x1x xx2xx9 xx3 xxxxxx xx5 17xx2x 3xx xx6xxx xx1 3xx还有一个。8xx 29x xxxx4x 71x xxx1x7 xxx xx6x7x xxx x3x93x 1x4 xx24x3 x3x 5xx5x5 xxx xxxxxx 9xx 6x1xxx xxx x57 XXX XX6 XX1 9XX XX1 376 71X X4X XX9 17X 8XX XX3X3X XXX XXX 6XX X13 X58XXX X3X 165 351 XXX XX2 8XX 1XX XXX (x-2)(xx+mx+n)=xxx+3xx-7x-6,求m与n的值 已知xx+x-1=0,求:xx+1/xx,xxxx+1/xxxx 58X 1XX XX94XX XX5 1X2X1X XXX 8XX1XX 9X8 XX7XXX XXX XXX8X2 7X3 XX1XX8 XXX X4X7X1 2XX XX83XX XX4 X16 若xx-2x+yy+6y+10=0 求xx-yyy的值