题目内容
化简比.
39:13= | 64:8= | 0.6:0.3= |
|
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;
:
,
=(
×18):(
×18),
=3:4.
=(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 |
2 |
9 |
=3:4.
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化简比.
39:13= | 64:8= | 0.6:0.3= | = |