问题
填空题
计算:(1)1003×997=______;
(2)20122-2011×2013=______;
(3)(-4)2012•(0.25)2012=______;
(4)(-0.125)3×29=______.
答案
(1)原式=(1000+3)×=10002-32
=1000000-9
=999991;
(2)原式=20122-×(2012+1)
=20122-(20122-1)
=1;
(3)原式=(-4×0.25)2012
=(-1)2012
=1;
(4)原式=(-0.125)3×(23)3
=(-0.125×8)3
=(-1)3
=-1.
故答案为:(1)99991;(2)1;(3)1;(4)-1.