求下列各式的值(1)3-0.064(2)-3(x-1)3(3)-3-2+364(4)-169400.-数学

题目简介

求下列各式的值(1)3-0.064(2)-3(x-1)3(3)-3-2+364(4)-169400.-数学

题目详情

求下列各式的值
(1)
3-0.064

(2)-
3(x-1)3

(3)-
3-2+
3
64

(4)-
169
400
题型:解答题难度:中档来源:不详

答案

(1)
3-0.064
=-0.4;
(2)-
3(x-1)3
=-(x-1)=1-x;
(3)-
3-2+class="stub"3
64
=-
3class="stub"125
64
=-class="stub"5
4

(4)-
class="stub"169
400
=-class="stub"13
20

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