计算(1)(-0.9)+(+4.4)+(-8.1)+(+5.6)(2)|-79|÷(23-15)-13×(-4)2(3)-22-(-3)3×(-1)4-(-1)5(4)(-36)×(14-56+79-

题目简介

计算(1)(-0.9)+(+4.4)+(-8.1)+(+5.6)(2)|-79|÷(23-15)-13×(-4)2(3)-22-(-3)3×(-1)4-(-1)5(4)(-36)×(14-56+79-

题目详情

计算
(1)(-0.9)+(+4.4)+(-8.1)+(+5.6)
(2)|-
7
9
|÷(
2
3
-
1
5
)-
1
3
×(-4)2
(3)-22-(-3)3×(-1)4-(-1)5
(4)(-36)×(
1
4
-
5
6
+
7
9
-
1
18

(5)1
7
8
÷(-10)×(-3
1
3
)÷(-3
1
4

(6)-0.85×
8
17
+14×
2
7
-(14×
3
7
-
9
17
×0.85)
题型:解答题难度:中档来源:不详

答案

(1)原式=(-0.9-8.1)+(4.4+5.6)=-9+10=1;
(2)原式=class="stub"7
9
÷class="stub"7
15
-class="stub"1
3
×16=class="stub"5
3
-class="stub"16
3
=-class="stub"11
3

(3)原式=-4+27+1=24;
(4)原式=-9+30-28+2=-5;
(5)原式=class="stub"15
8
×(-class="stub"1
10
)×(-class="stub"10
3
)×(-class="stub"4
13
)=-class="stub"5
26

(6)原式=0.85×(class="stub"9
17
-class="stub"8
17
)+14×(class="stub"2
7
-class="stub"3
7
)=class="stub"17
50
×class="stub"1
17
-2=-1class="stub"49
50

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