x/[x/(2%)+100x/6]=1/[1/(2%)+100/6]怎么解
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x/[x/(2%)+100x/6]=1/[1/(2%)+100/6]怎么解x/[x/(2%)+100x/6]=1/[1/(2%)+100/6]怎么解x/[x/(2%)+100x/6]=1/[1/(2%
x/[x/(2%)+100x/6]=1/[1/(2%)+100/6]怎么解
x/[x/(2%)+100x/6]=1/[1/(2%)+100/6]怎么解
x/[x/(2%)+100x/6]=1/[1/(2%)+100/6]怎么解
X=1
一模一样的等式啊
100x/6 = 100/6
解方程：2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
1x+2x+3x+4x+5x+6x+7x…+99x=100
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
*-----------------------------------------------*| 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 ||
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
2x+3x+4x+5x+x+6x+7x=100
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
(x/x-2)+(2/x*2+2x)-(x+6/x*2-4)化简,=x^2/x(x-2)+(2x-4)/x(x^2-4)-(x^2+6x)/x(x^2-4)=x^2/x(x-2)-(x+2)/x(x-2)=(x-2)(x+1)/x(x-2)=(x+1)/x
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
1.用公式计算：COSX=1-X*X/2!X*X*X*X/4!-X*X*X*X*X*X/6!.直到最后一项的绝对
当x=2,求1/x＊(x+2)+1/(x+2)*(x++4)+1/(x+4)*(x+6)+.+1/(x+98)*(x+100)的值
当x=2,求1/x(x+2)+1/(x+2)*(x++4)+1/(x+4)*(x+6)+.+1/(x+98)*(x+100)的值
（X+X)+(X-X)+(X*X)+(X/X)=100
6/(x-1)-(x+2)/x(x-1)=0
(x+7)(x+6)-(x-2)(x+1)=?
(x+2)(x-3)(x-6)(x-1)=0
1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12=97.8x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12=97.8 好多年没有用过过数学公式了 想不起来怎么算了 想知道 X值是多少