【急】 分式加减
【急】 分式加减
[(a-b)/(a+b-(a+b)/(a-b)]/[1-(a^2+b^2)/(a^2-2ab+b^2)]
[x-x/(x+1)]*[(x+1)/(x^+3x+2)]÷[(x^2-2x)/(x^2-4)]
x/(x+1)-(x+3)/(x-1)÷(x^2-2x+1)/(x^2+4x+3)
b^2/(a+b)÷[a/(a-b)-1]÷[a-a^2/(a+b)]
[(3x-3y)/(y^2-x^2)]+[(x^2-2xy+y^2)/(x^2-y^2)}-[(x^2-x-6)/(x+2)]÷(x+y)
[(a-b)/(a+b-(a+b)/(a-b)]/[1-(a^2+b^2)/(a^2-2ab+b^2)]
[x-x/(x+1)]*[(x+1)/(x^+3x+2)]÷[(x^2-2x)/(x^2-4)]
x/(x+1)-(x+3)/(x-1)÷(x^2-2x+1)/(x^2+4x+3)
b^2/(a+b)÷[a/(a-b)-1]÷[a-a^2/(a+b)]
[(3x-3y)/(y^2-x^2)]+[(x^2-2xy+y^2)/(x^2-y^2)}-[(x^2-x-6)/(x+2)]÷(x+y)
数学人气：456 ℃时间：2020-01-27 06:26:20
优质解答
[(a-b)/(a+b)-(a+b)/(a-b)]/[1-(a^2+b^2)/(a^2-2ab+b^2)]=[(a-b)^2/(a^2-b^2)-(a+b)^2/(a^2-b^2)]/[1-(a^2+b^2)/(a-b)^2]=[(a-b)^2-(a+b)^2]/[(a^2-b^2)]/[1-(a^2+b^2)/(a-b)^2]=[(a-b+a+b)(a-b-a-b)]/[(a^2-b^2)]/[...
我来回答
类似推荐
猜你喜欢
- 1连词成句:that,model,mine,brown,is,not,plane,(.)
- 2两种元素A和B,其原子量依次为14,16,化合价依次为+5,-2.则由A和B组成的化合物C的分子量为___
- 3生活中哪些东西长度大约会是1千米
- 4Tom and Sam like to play tennis .(划线提问）划线的是play tennis大神们帮帮忙
- 5I try to read English novels as much as possible.
- 6一个正方体,六个面上分别写着六个连续的整数,每个对面的两数的和相等,如图,你能看到的数字是7,10,11.则六个整数的和为（）
- 7圆锥的母线长为4,侧面展开的扇形的弧线长为12π,则底面圆的周长为 ,底面半径为 ,圆锥的高为
- 8某班男生有25人,占全班人数的九分之五,则全班女生有( )人
- 9Do you agree or disgree with the following statement?
- 10写一篇英语作文,题目是我的家乡,要用比较级和最高级写,要带翻译.