问题
解答题
(1)(-3
(2)[(-1)2009-(
|
答案
(1)原式=(-3
-2 3
)+(-2.4+4.4)1 3
=-4+2
=-2;
(2)原式=[-1-(
×24-3 4
×24-1 6
×24]+|-9+5|3 8
=[-1-(18-4-9)]+4
=(-1-5)+4
=-6+4
=-2.
(1)(-3
(2)[(-1)2009-(
|
(1)原式=(-3
-2 3
)+(-2.4+4.4)1 3
=-4+2
=-2;
(2)原式=[-1-(
×24-3 4
×24-1 6
×24]+|-9+5|3 8
=[-1-(18-4-9)]+4
=(-1-5)+4
=-6+4
=-2.