计算:(1)(-0.5)+(-156);(2)|-414-(-34)|-(|-414|-|-34|).-数学

题目简介

计算:(1)(-0.5)+(-156);(2)|-414-(-34)|-(|-414|-|-34|).-数学

题目详情

计算:
(1)(-0.5)+(-1
5
6
)

(2)|-4
1
4
-(-
3
4
)|-(|-4
1
4
|-|-
3
4
|)
题型:解答题难度:中档来源:不详

答案

(1)原式=-class="stub"1
2
+(-1class="stub"5
6

=-(class="stub"1
2
+1class="stub"5
6

=-2class="stub"1
3


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

=4class="stub"1
4
-class="stub"3
4
-4class="stub"1
4
+class="stub"3
4

=(4class="stub"1
4
-4class="stub"1
4
)+(-class="stub"3
4
+class="stub"3
4

=0.

更多内容推荐