问题
解答题
化简: (1)
(2)-
(3)-
(4)
|
答案
(1)原式=
=144×169
×144
=12×13=156;169
(2)原式=-
×15=-5;1 3
(3)原式=-1 2
=-322×5
×321 2
=-165
;5
(4)原式=
=3|m|32×m2×2n
.2n
化简: (1)
(2)-
(3)-
(4)
|
(1)原式=
=144×169
×144
=12×13=156;169
(2)原式=-
×15=-5;1 3
(3)原式=-1 2
=-322×5
×321 2
=-165
;5
(4)原式=
=3|m|32×m2×2n
.2n