(-1/2y+2x)(3/2x-2/3y+1)计算
问题描述:
(-1/2y+2x)(3/2x-2/3y+1)计算
答
(-1/2y+2x)(3/2x-2/3y+1)
=-3/4xy+3x²+1/3y²-4/3xy-1/2y+2x
=3x²+1/3y²+2x-1/2y-25/12xy