问题 解答题
求下列各比的比值.
11
12
3
8
5.8:2.415:
5
7
18:0.6.
答案

11
12
3
8

=

11
12
÷
3
8

=

22
9

5.8:2.4,

=5.8÷2.4,

=

29
6

15:

5
7

=15÷

5
7

=21;

18:0.6,

=18÷0.6,

=30.

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