1 x/0.6-(0.35-0.9x)/0.04=12 (x+4)/5-x+5=(x+3)/3-(x-2)/2急

1 x/0.6-(0.35-0.9x)/0.04=12 (x+4)/5-x+5=(x+3)/3-(x-2)/2急 x/0.6-(0.35-0.9X)=1怎么解 x-0.9=x+0.6 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 z=0.015x*x+y*x*0.05+(1-x-y)*2.5*(x+y) x>0.35.xy>0.70x+y 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 0.9(12-x)=0.6(x-2) (x-0.6)/0.4+x=(0.1x+1)/0.3