问题
解答题
计算: (1)(-3)2,(-3)3,[-(-3)]5; (2)-32,-33,-(-3)5; (3)(
|
答案
(1)(-3)2=9,
(-3)3=-27,
[-(-3)]5=35=243;
(2)-32=-9,
-33=-27,
-(-3)5=-(-243)=243;
(3)(
)2=2 3
,4 9
=22 3
.4 3
计算: (1)(-3)2,(-3)3,[-(-3)]5; (2)-32,-33,-(-3)5; (3)(
|
(1)(-3)2=9,
(-3)3=-27,
[-(-3)]5=35=243;
(2)-32=-9,
-33=-27,
-(-3)5=-(-243)=243;
(3)(
)2=2 3
,4 9
=22 3
.4 3