题目内容

计算:
(1)-2.5÷
5
8
×(-
1
4
)
;(2)-27÷2
1
4
×
4
9
÷(-24)

(3)(-
3
5
)×(-3
1
2
)÷(-1
1
4
)÷3
×(-3
1
2
)
÷(-1
1
4
)÷3
;(4)-4×
1
2
÷(-
1
2
)×2

(5)-5÷(-1
2
7
4
5
×(-2
1
4
)
÷7;(6)|-1
1
8
|÷
3
4
×
4
3
×|-
1
2
|
(1)-2.5÷
5
8
×(-
1
4
)
=
5
2
×
8
5
×
1
4
=1;
(2)-27÷2
1
4
×
4
9
÷(-24)
=27×
4
9
×
4
9
×
1
24
=
2
9

(3)(-
3
5
)×(-3
1
2
)÷(-1
1
4
)÷3
×(-3
1
2
)
÷(-1
1
4
)÷3
=-
3
5
×
7
2
×
4
5
×
1
3
=-
14
25

(4)-4×
1
2
÷(-
1
2
)×2
=2×2×2=8;
(5)-5÷(-1
2
7
4
5
×(-2
1
4
)
÷7=-5×
7
9
×
4
5
×
9
4
×
1
7
=-1;
(6)|-1
1
8
|÷
3
4
×
4
3
×|-
1
2
|
=
9
8
×
4
3
×
4
3
×
1
2
=1.
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