问题
解答题
(-1)2007-[(-2)3-(1-0.5×
|
答案
原式=(-1)-[-8-(1-
)]×(-2+8)1 6
=-1-(-8-
)×65 6
=-1+8
×65 6
=52．
搜题请搜索小程序“爱下问搜题”
(-1)2007-[(-2)3-(1-0.5×
|
原式=(-1)-[-8-(1-
)]×(-2+8)1 6
=-1-(-8-
)×65 6
=-1+8
×65 6
=52．