问题 解答题
求比值.
(1)1
3
8
5
8
(2)
3
4
千米:500米
(3)1.4:
3
4
(4)1.25:6.5
(5)
1
3
:0.75
(6)2
1
3
1
3
答案

(1)1

3
8
5
8

=1

3
8
÷
5
8

=

11
5

(2)

3
4
千米:500米,

=750米:500米,

=750÷500,

=1.5,

(3)1.4:

3
4

=1.4÷

3
4

=

28
15

(4)1.25:6.5,

=1.25÷6.5,

=

5
26

(5)

1
3
:0.75,

=

1
3
÷0.75,

=

4
9

(6)2

1
3
1
3

=2

1
3
÷
1
3

=7.

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