问题
解答题
(1)计算:(-1)2+tan60°-(π+2010)
(2)因式分解:m3-4m
答案
(1)
(2)m(m-2)(m+2)
(1)原式=
=
(2)原式=m(m2-4)
=m(m-2)(m+2)
(1)计算:(-1)2+tan60°-(π+2010)
(2)因式分解:m3-4m
(1)
(2)m(m-2)(m+2)
(1)原式=
=
(2)原式=m(m2-4)
=m(m-2)(m+2)