问题
解答题
x•x3•x2-3x3•x3+4x4•x2-2x2•x2•x2．
答案
x•x3•x2-3x3•x3+4x4•x2-2x2•x2•x2．
=x6-3x6+4x6-2x6
=0．
搜题请搜索小程序“爱下问搜题”
x•x3•x2-3x3•x3+4x4•x2-2x2•x2•x2．
x•x3•x2-3x3•x3+4x4•x2-2x2•x2•x2．
=x6-3x6+4x6-2x6
=0．