问题
填空题
计算82×42012×(-0.25)2013=______.
答案
原式=64×42012×(-0.25)2013
=16×42013×(-0.25)2013
=16×[4×(-0.25)]2013
=16×(-1)
=-16.
故答案是:-16.
计算82×42012×(-0.25)2013=______.
原式=64×42012×(-0.25)2013
=16×42013×(-0.25)2013
=16×[4×(-0.25)]2013
=16×(-1)
=-16.
故答案是:-16.