a/a+2-1/a-1÷a+2/a²-2a+1
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/04/29 04:43:46
a/a+2-1/a-1÷a+2/a²-2a+1
a/a+2-1/a-1÷a+2/a²-2a+1
=a(a-1)/(a²-2a+1)-(a+2)/(a²-2a+1)÷a+2/a²-2a+1
=a²-a-a-2/a+2
=a²-2/a+2
=a(a-1)/(a²-2a+1)-(a+2)/(a²-2a+1)÷a+2/a²-2a+1
=a²-a-a-2/a+2
=a²-2/a+2
a/a-1÷(a-a/2a-1)
(a 1)(a 2)(a 3)(a
【1】a+a=a×a a= [ ]【2】a×a=a÷a a=[ ]【3】a×a=a-a a=[ ] [4]a-a=a+a
计算:(a+2/a²-2a-a-1/a²-4a+4)÷a-4/a
a/a+2-1/a-1÷a+2/a²-2a+1
(a- 2a/a)÷1-a² / a²+a
(1+a)(1-a)+(a-2)²
a(a-1)(a-2)(a-3)(a-4)因式分解
(2/1+a)-(a-2/a-1)÷(a²-2a/a²-2a+1)等于多少
先化简,再求值:(a-1/a-a-2/a+1)÷2a^2-a/a^+2a+1,其中a满足a^2-a-1=0
(a2-a)a2-2a-3÷a(a-3)=a(a-1)(a+1)(a
a(a-1)-(a×a-b)=-5,求(a×a+b×b)÷2-ab