计算:16?m216+8m+m2÷m?42m+8?m?2m+2

计算:16?m216+8m+m2÷m?42m+8?m?2m+2.
2025-06-20 11:59:18
推荐回答(1个)
回答1:

原式=

16?m2
16+8m+m2
÷
m?4
2m+8
?
m?2
m+2

=
(4?m)(4+m)
(4+m)2
?
2(m+4)
m?4
?
m?2
m+2

=
4?2m
m+2