问题 解答题

求比值.

0.2:0.82:0.2512:564:13.

答案

(1)0.2:0.8

=0.2÷0.8

=

1
4

(2)2:0.25

=2÷0.25

=8;

(3)12:56

=12÷56

=

3
14

(4)4:13

=4÷13

=

4
13

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