填空题、计算、因式分解1.(-3/2m+n)(-3/2n-n)=2.(-3/2x--2/3y)^2=3.当x___时,(x-4)度多少___4.若|a-2|+b^2-2b+1=0,则a=__,b=__5.已知a+a/1=3,则a^2+a^2/1的值是___计算1.2x(2/1x^2-1)-3x(3/1x^2+3/2)2.x^2-(x+2)(x-2)-(x+x/1)^23.[(x+y)^2-(x-y)^2]除以2xy因式分解1.3x-12x^32.-2a^3+12a^2-18a3.9a^2(x-y)+4b^2(y-x)4.(x+y)^2+2(x+y)+1急

问题描述:

填空题、计算、因式分解
1.(-3/2m+n)(-3/2n-n)=
2.(-3/2x--2/3y)^2=
3.当x___时,(x-4)度多少___
4.若|a-2|+b^2-2b+1=0,则a=__,b=__
5.已知a+a/1=3,则a^2+a^2/1的值是___
计算
1.2x(2/1x^2-1)-3x(3/1x^2+3/2)
2.x^2-(x+2)(x-2)-(x+x/1)^2
3.[(x+y)^2-(x-y)^2]除以2xy
因式分解
1.3x-12x^3
2.-2a^3+12a^2-18a
3.9a^2(x-y)+4b^2(y-x)
4.(x+y)^2+2(x+y)+1