问题 解答题
计算:
(1)-
3
(-16)(-36)

(2)
1
2
3
÷
2
1
3
×
1
2
5

(3)
48
-
54
÷2+(3-
3
)(1+
1
3
)

(4)(
1
6
)-1-20120+|-2
5
|-
20
答案

(1)原式=-

3
16×36
=-
3
×
16
×
36
=-
3
×4×6=-24
3

(2)原式=

5
3
÷
7
3
×
7
5
=
5
3
×
3
7
×
7
5
=1;

(3)原式=4

3
-3
6
×
1
2
+(3-
3
)×(1+
3
3
)=4
3
-
3
6
2
+(3-
3
)×
3+
3
3
=4
3
-
3
6
2
+
1
2

(4)原式=6-1+2

5
-2
5
=5.

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