题目内容
计算
(1)(-0.9)+(+4.4)+(-8.1)+(+5.6)
(2)|-
|÷(
-
)-
×(-4)2
(3)-22-(-3)3×(-1)4-(-1)5
(4)(-36)×(
-
+
-
)
(5)1
÷(-10)×(-3
)÷(-3
)
(6)-0.85×
+14×
-(14×
-
×0.85)
(1)(-0.9)+(+4.4)+(-8.1)+(+5.6)
(2)|-
7 |
9 |
2 |
3 |
1 |
5 |
1 |
3 |
(3)-22-(-3)3×(-1)4-(-1)5
(4)(-36)×(
1 |
4 |
5 |
6 |
7 |
9 |
1 |
18 |
(5)1
7 |
8 |
1 |
3 |
1 |
4 |
(6)-0.85×
8 |
17 |
2 |
7 |
3 |
7 |
9 |
17 |
(1)原式=(-0.9-8.1)+(4.4+5.6)=-9+10=1;
(2)原式=
÷
-
×16=
-
=-
;
(3)原式=-4+27+1=24;
(4)原式=-9+30-28+2=-5;
(5)原式=
×(-
)×(-
)×(-
)=-
;
(6)原式=0.85×(
-
)+14×(
-
)=
×
-2=-1
.
(2)原式=
7 |
9 |
7 |
15 |
1 |
3 |
5 |
3 |
16 |
3 |
11 |
3 |
(3)原式=-4+27+1=24;
(4)原式=-9+30-28+2=-5;
(5)原式=
15 |
8 |
1 |
10 |
10 |
3 |
4 |
13 |
5 |
26 |
(6)原式=0.85×(
9 |
17 |
8 |
17 |
2 |
7 |
3 |
7 |
17 |
50 |
1 |
17 |
49 |
50 |
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