计算:(-2)2-2-2-(-23)-2=______.-数学

题目简介

计算:(-2)2-2-2-(-23)-2=______.-数学

题目详情

计算:(-2)2-2-2-(-
2
3
)-2
=______.
题型:填空题难度:中档来源:不详

答案

原式=4-class="stub"1
22
-class="stub"1
(-class="stub"2
3
)2

=4-class="stub"1
4
-class="stub"1
class="stub"4
9

=4-class="stub"1
4
-class="stub"9
4

=class="stub"3
2

故答案为class="stub"3
2

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