题目内容
.x2m+1可写作………………………………………………………………( )
(A)(x2)m+1 (B)(xm)2+1 (C)x?x2m (D)(xm)m+1
C.
(A)(x2)m+1 (B)(xm)2+1 (C)x·x2m (D)(xm)m+1