x/0.7-(0.17-0.2x)/0.13=1
x/0.7—0.17—0.2x/0.13=1
0.7分之x-0.03分之0.17-0.2x=1
解方程x/0.7-0.3/0.17-0.2x=1
解方程:x/0.7-0.17-0.2x/0.03=1
x\0.7-0.17-0.2x\0.03=1
0.7/x - 0.03/0.17-0.2x =1 解方程
x/0.7-0.17-0.2x/0.03=1
0.7/x-0.03/(0.17-0.2x)=1(求x,)
(1)3x(x+0.2)=4x(x-1.1)
解方程:2- x+5/6=x- x-1/3,0.1-0.2x/0.03-1=0.7-x/0.4
15-(7-4x)=2x+(5-2x) 4分之X减8分之3X减1=1 0.7分之X-0.03分之0.17-0.2X=1
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x