计算下列各题:(1)(1-16+34)×(-48);(2)-32-50÷(-5)2-1;(3)-1-[2-(1-13×0.5)]×[32-(-2)2];(4)(18+113-2.75)×(-24)+(

题目简介

计算下列各题:(1)(1-16+34)×(-48);(2)-32-50÷(-5)2-1;(3)-1-[2-(1-13×0.5)]×[32-(-2)2];(4)(18+113-2.75)×(-24)+(

题目详情

计算下列各题:
(1)(1-
1
6
+
3
4
)×(-48)
;                      
(2)-32-50÷(-5)2-1;
(3)-1-[2-(1-
1
3
×0.5)]×[32-(-2)2]
;        
(4)(
1
8
+1
1
3
-2.75)×(-24)+(-1)200
题型:解答题难度:中档来源:不详

答案

(1)原式=-48+8-36=-76;                                        
(2)原式=-9-2-1=-12;
(3)原式=-1-(2-1+class="stub"1
6
)×(9-4)=-1-class="stub"7
6
×5=-class="stub"41
6

(4)原式=-3-32+66+1=32.

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