(1){[(x^2)+7x+10]/[(x^3)-(x^2)-6x]}*{[(x^2)-2x-3]/[(x^2)+6x+5]}(2){[(x^2)-7x+6]/[(x^2)+3x-4]}/{[(x^2)-14x+48]/[(x^2)+10x+24]}*{[(x^3)-(8x^2)]/[(x^2)y+6xy]}(3){[8-6x+(x^2)]/[(x^2)-16]}/{[(x-2)/(4-3x)]^2}*{[(x^2)+2x-8]/[(3x^2)-13x+12]}(4){[(a^2)+ab-ac]

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/07 04:41:34

(1){[(x^2)+7x+10]/[(x^3)-(x^2)-6x]}*{[(x^2)-2x-3]/[(x^2)+6x+5]}(2){[(x^2)-7x+6]/[(x^2)+3x-4]}/{[(x^2)-14x+48]/[(x^2)+10x+24]}*{[(x^3)-(8x^2)]/[(x^2)y+6xy]}(3){[8-6x+(x^2)]/[(x^2)-16]}/{[(x-2)/(4-3x)]^2}*{[(x^2)+2x-8]/[(3x^2)-13x+12]}(4){[(a^2)+ab-ac]
(1){[(x^2)+7x+10]/[(x^3)-(x^2)-6x]}*{[(x^2)-2x-3]/[(x^2)+6x+5]}
(2){[(x^2)-7x+6]/[(x^2)+3x-4]}/{[(x^2)-14x+48]/[(x^2)+10x+24]}*
{[(x^3)-(8x^2)]/[(x^2)y+6xy]}
(3){[8-6x+(x^2)]/[(x^2)-16]}/{[(x-2)/(4-3x)]^2}*{[(x^2)+2x-8]/
[(3x^2)-13x+12]}
(4){[(a^2)+ab-ac]/[(a^2)-ab]}*{[(a^2)+(b^2)-(c^2)-2ab]/[(a^2)+2ab
+b^2]}/{[(a^2)+2bc-(b^2)-(c^2)]/[(a^2)-(b^2)]}

(1){[(x^2)+7x+10]/[(x^3)-(x^2)-6x]}*{[(x^2)-2x-3]/[(x^2)+6x+5]}(2){[(x^2)-7x+6]/[(x^2)+3x-4]}/{[(x^2)-14x+48]/[(x^2)+10x+24]}*{[(x^3)-(8x^2)]/[(x^2)y+6xy]}(3){[8-6x+(x^2)]/[(x^2)-16]}/{[(x-2)/(4-3x)]^2}*{[(x^2)+2x-8]/[(3x^2)-13x+12]}(4){[(a^2)+ab-ac]
1)=(X+2)(X+5)(X-3)(X+1)/[X(X-3)(X+2)(X+1)(X+5)]
=1/X
2)=(X-6)(X-1)(X-6)(X-8)*X^2(X-8)/[(X+4)(X-1)(X+4)(X+6)XY(X+6)]
=X/Y*(X-6)^2*(X-8)^2/[(X+4)^2(X+6)^2]

这个都是最基本的，为什么不自己做呢

*-----------------------------------------------*| 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 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 已知x=2π+1求 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10| 已知x=2π+1.求(X-1)+(X-2)+(X-3)+(X-4)+(X-5)+(X-6)+(X-7)+(X-8)+(X-9)+(X-10) 1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7这个方程怎么样求解? X+7/X+1+X+8/X+2-X+9/X+3-X+10/X+4 的解法 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程 x+10/x^2-4-x^2+2x+1/x^2-x-2+6x^2+7x+2/3x^2+8x+4 1/(x+1)(x+2)+1/(x+3)(x+4)+1/(x+5)(x+6)+1/(x+7)(x+8)+1/(x+9)(x+10)怎么解 1x()+2x()+3x()+4x()+5x()+6x()+7x()+8x()加9x()+10x()=1980 1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少 |X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|的最小值谢谢了,大神帮忙啊如题 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10|的最小值 这类题该怎入手 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, 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- 3道简单的分式方程,1.3/(1-x^) = 2/(1+2x+x) - 5/1-2x+x^2.5x/(x^+x-6) + (2x-5)/(x^-x-12) = (7x-10)/(x^-6x+8)3.(x+1)/(x+2) + (x+6)/(x+7) = (x+2)/(x+3) + (x+5)/(x+6)