5x4+3x2y-10-3x2y+x4-1.
问题描述:
5x4+3x2y-10-3x2y+x4-1.
答
5x4+3x2y-10-3x2y+x4-1
=6x4-11.
5x4+3x2y-10-3x2y+x4-1.
5x4+3x2y-10-3x2y+x4-1
=6x4-11.