问题 解答题
计算:
(1)
1
24
÷
2
3

(2)
xy
÷
y
x

(3)
1
1
3
÷
2
2
3
×
1
3
5

(4)2
12
÷
1
2
50
×
1
2
3
4
答案

(1)原式=

1
24
÷
2
3
=
1
16
=
1
8

(2)原式=

xy÷
y
x
=
x2
=|x|;

(3)原式=

4
3
÷
8
3
×
8
5
=
4
5
=
2
5
5

(4)原式=4

3
÷
5
2
2
×
1
4
3
=
2
5
×
3
2
2
=
3
2
5

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