1.) 5/x-x+12-2x/2x-2x 2)y/2x-2y/3x
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1.) 5/x-x+12-2x/2x-2x 2)y/2x-2y/3x
1.) 5/x-x+12-2x/2x-2x 2)y/2x-2y/3x
1.) 5/x-x+12-2x/2x-2x 2)y/2x-2y/3x
*-----------------------------------------------*| 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
|x|-2/x*x-x-12
(x+12)(x-2)+(x+7)(x+8)-(x+5)(x-10),其中x=2
通分:x+4/x^2-8x+15,x-5/x^2+x-12,x-3/x^2-x-20
1.x²-2x-3 2.x²-5x-6 3.x²-9x-10 4.x²-9x-10 5.x²-2x-8 6.x²+2x-8 7.x²-x-12 8.x²+x-12 9.x²+6x-16 10.x²-14x-32 11.x²+7x-18
1.) 5/x-x+12-2x/2x-2x 2)y/2x-2y/3x
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x
(x-5)(x-2)
(x-5)(x+2)
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
通分x+4/x*x+4x与x-5/x(x-5)-2(x-5)
(x+3x+5x...+2009x)-(2x+4x+6x+...+2010x)
x^2-6x+5/-x^2+4x+12
计算:x^2-5x+6/x^2-x-2x^2-7x+12/x^2-2x-8 计算:x^2-5x+6/x^2-x-2x^2-7x+12/x^2-2x-8
(x^5-12x^3+36x)/(x^2-6)
3x-{-4x+{5x-(12x-10]+2}
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