0.1X-0.2/0.02-2X+1/0.

一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X 3分之2X+1=1 0.2X+0.5-0.03+0.02X=2分之X-5 0.03分之0.1X-0.2-0.5分之2X+1=3 6【X-2（X-1]）】=2（X-3 X+1/0.2-2X=0.1x+0.2/0.03: (x+1)/0.3-2x=(0.1x+0.2)/0.05 如果X*X--1=0,那么X*X*X+2*X*X+2008=几? 已知x*x+x-1=0求x*x*x-2x+2010的值 已知x*x+x-1=0 求x*x*x-2x+11=? x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^2002 0.1X-0.2/0.02-2X+1/0. lim(1-x)^(2/x) x->0 x>0,x- (x)/（2x+1) + (2x+1)/(x) 的最小值是多少?x>0,x- (x)/（2x+1) + (2x+1)/(x^2)才对。 2x/0.03+0.25-0,1x/0.02=0.1 解方程x-0.2x-27-(x-0.2x-27)*0.1=x/2+10.8x-27-0.08x+2.7=x/2+1对吗 3(X-1)=2X+5 x-2/0.5 - x+1/0.3=13(X-1)=2X+5 x-2/0.5 - x+1/0.3=1x/5 - 3-2x/2=x 0.1x-0.2/0.02 - x+1/0.5=3 ①(x-1)/2=(4x)/3+1②(0.1x-0.2)/0.02-(x+1)/0.5=3 *-----------------------------------------------*| 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 || 解方程：3分之5x-8=1 2（x-2)-(4x+1)=3(x+1) 2分之3-x=3分之x-4-1 0.02分之0.1x-0.2-0.5分之x+1=3 (x-1)+(x+2)+0.2x+2x=46