计算:1x=______,(-3a2)2=______,(-5)2=______.-数学

题目简介

计算:1x=______,(-3a2)2=______,(-5)2=______.-数学

题目详情

计算:
1
x
=______,(-3a22=______,
(-5)2
=______.
题型:填空题难度:中档来源:不详

答案

class="stub"1
x
=
class="stub"x
x2
=
x
x2
=
x
x

(-3a2)2=9a4;
(-5)2
=|-5|=5.
故答案为
x
x
;9a4;5.

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