问题 解答题
化简比.
39:13=64:8=0.6:0.3=
1
6
2
9
=
答案

39:13,

=(39÷13):(13÷113),

=3:1;

64:8,

=(64÷8):(8÷8),

=8:1;

0.6:0.3,

=(0.6÷0.3):(0.3÷0.3,),

=2:1;

1
6
2
9

=(

1
6
×18):(
2
9
×18
),

=3:4.

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