分析:分別根據(jù)有理數(shù)混合運(yùn)算的法則先算乘方、再算乘除,最后算加減,有括號(hào)的先算括號(hào)里面的運(yùn)算順序計(jì)算.
解答:解:(1)-3
2-(-2)
2-9-4
=-13;
(2)
-14-×[2-(-3)2]=-1-
×(-7)
=-1+
=
;
(3)(-10)
2+[(-4)
2-(3+3
2)×2]
=100+(16-24)
=92;
(4)
(-1)4-(1-0.5)××[2-(-2)2]=1-
×(-2)
=1
;
(5)
-0.52+-|-22-4|-(-1)3×=-0.25+
-8+
×
=-6.5;
(6)(-2)
3-3×[(-4)
2+2]-(-3)
2÷(-2)
=(-8)-3×18+
=(-8)-54+
=-62+
=-
;
(7)(-2)
2003+(-2)
2002
=-2
2003+2
2002
=-2
2002×2+2
2002
=2
2002×(-2+1)
=-2
2002;
(8)(-0.25)
2009×4
2008=-(
)
2009×4
2008=-
×(
×4)
2008
=-
.
點(diǎn)評(píng):本題考查的是有理數(shù)的混合運(yùn)算,熟知有理數(shù)混合運(yùn)算的法則是解答此題的關(guān)鍵.