(0.02x+1)\0.05-(x+1)\0.25=4.还有一道题,3\10（200+x)-2\10(300-x)=300×9\25.用两种方法解.还有一道题：1\2（x-1)=2-1\5(x+2).又有一道题：已知x=-2是方程(x-k)\3+（3k+2）\6-x=x+k\2的解,求k的值.以上全题求详解,

x/x+(1-x)/x-1/x *-----------------------------------------------*| 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 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-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 matlab中f=@(x)[x(2);x(3);0.05*x(1)*(x(2)+x(3))]中@(x)什么意思 z=0.015x*x+y*x*0.05+(1-x-y)*2.5*(x+y) x>0.35.xy>0.70x+y x>1/1-x x+1/x-1 (X + 1) /(x - 1) (1+X)/(1-X)