化简：x3•(1x3-1x2+1x)

题型：解答题难度：一般来源：不详

化简：x3•(

1

x3

-

1

x2

+

1

x

)

答案

原式=x3

1

x3

-x3

1

x2

+x3

1

x

=1-x+x²
=x²-x+1．
故答案为x²-x+1．