见附件
阅读下列内容:(1-x)(1+x)=1-x^2,(1-x)(1+x+x^2)=1-x^3,
1个回答
相关问题
-
(1)阅读以下内容:(x−1)(x+1)=x2−1(x−1)(x2+x+1)=x3−1(x−1)(x3+x2+x+1)=
-
阅读以下内容:(x-1)(x+1)=x2-1,(x-1)(x2+x+1)=x3-1,(x-1)(x3+x2+x+1)=x
-
阅读以下内容:(x-1)(x+1)=x2-1(x-1)(x2+x+1)=x3-1(x-1)(x3+x2+x+1)=x4-
-
阅读以下内容: (x﹣1)(x+1)=x 2 ﹣1
-
阅读下列题目的计算过程:[x−3x2−1−2/1+x=x−3(x+1)(x−1)−2(x−1)(x+1)(x−1)](A
-
阅读下列题目的计算过程:(x-3)/(x²-1)-2/(1+x)=(x-3)/(x+1)(x-1)-2(x-1
-
阅读下列材料方程1/x+1 -1/x =1/x-2 -1/x-3的解是X=1方程1/x -1/x-1=1/x-3 -1/
-
1、观察下列等式(x-1)(x+1)=x2-1; (x-1)(x2+x+1)=x3-1; (x-1)(x3+x2+x+1
-
观察下列各式:(x-1)(x+1)=x2-1,(x-1)(x2+x+1)=x3-1,(x-1)(x3+x2+x+1)=x
-
观察下列各式:(x-1)(x+1)=x2-1;(x-1)(x2+x+1)=x3-1;(x-1)(x3+x2+x+1)=x