x∈(8,10)时,化简√(x-8)^2+√(x-10)^2

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x∈(8,10)时,化简√(x-8)^2+√(x-10)^2
x∈(8,10)时,化简√(x-8)^2+√(x-10)^2

x∈(8,10)时,化简√(x-8)^2+√(x-10)^2
√(x-8)^2+√(x-10)^2=x-8+10-x=2

x∈(8,10)时,化简√(x-8)^2+√(x-10)^2 已知√x²+8x+16+√x²-12x+36=10,化简√(2x+8)²+2|x-6| 解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x- f[x -x/8-x*x]=√2 10求x^2 20x^10 x 化简(x^2-11x+28)/(3x^2-10x-8) [x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简 *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1 (x+12)(x-2)+(x+7)(x+8)-(x+5)(x-10),其中x=2 化简x(x+2)(x+4)(x+6)(x+8) 8x-[-3x-(2x-7x-5)+3]+4x化简 解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8 分解因式:x*x*x*x+2*x*x*x-9*x*x-2x+8 解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1 x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 10x+2(x+4)=8x+16 化简 (x+1)(x+2)(x+3)(x+4)-8