1/[(1/(x+18)+1/(x+32)]=x,求X,

来源：学生作业帮助网编辑：六六作业网时间：2024/12/19 21:16:03

1/[(1/(x+18)+1/(x+32)]=x,求X,1/[(1/(x+18)+1/(x+32)]=x,求X,1/[(1/(x+18)+1/(x+32)]=x,求X,先把中括号里的乘过去1=x/(x

1/[(1/(x+18)+1/(x+32)]=x,求X,
1/[(1/(x+18)+1/(x+32)]=x,求X,

1/[(1/(x+18)+1/(x+32)]=x,求X,
先把中括号里的乘过去
1=x/(x+18)+x/(x+32)
然后乘分母,别嫌麻烦
(x+18)(x+32)=x(x+32)+x(x+18)
x2+50x+576=2x2+50x
x2=576
x=24
很简单的,只要你用心算

x/x+(1-x)/x-1/x 因式分解(x+1)(x+2)-x-10(x²-x)²-18(x²-x)+72 (x^2-x)^2-18(x^2-x)+72(x+1)(x+2)-x-10 *-----------------------------------------------*| 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 || 35道.符号^代表平方.读起来就是（X的平方）.1,x^-x-202,x^-9x+203,x^-9x-204,x^+9x+205,x^-18x+326,x^+14x-317,x^+18x+328,x^+14x-329,x^+19x+4810,x^+47x-4811,x^+13x-4812,x^+2x-4813,x^+26x+4814,x^-22x-4815,x^+17x+7216,x^+21x-10017,x^-x-7218,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 七年级下册政治复习提纲(山东人民出版社)第五单元是青春的脚步青春的气息别弄错了啊!格式：X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X. (x+1)(x-1)(x-x+1)(x+x+1) 分解因式----（X*X-X)(X*X-X-2)+1 X(X-1)=X 1.1/x|x/(x+1)| x/x-1[1+(x-1/x)] x(x-1)=18 x-1/x÷(x-1/x) 】x(x+1)+x^2(x-1) 1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做计算1/[x(x+3)]+1/[(x+3)(x+6)]+.+1/[(x+15)(x+18)]=? 1/x(x+3)+1/(x+3)(x+6)+...+1/(x+15)(x+18)