题目内容
2
2
:5=0.4=| 4 | (10) |
48
48
÷120=40
40
%分析:解决此题关键在于0.4,0.4可写成40%,也可写成
,进一步写成
,
也 可写成2:5,
还可写成2÷5,进一步写成48÷120.
| 2 |
| 5 |
| 4 |
| 10 |
| 2 |
| 5 |
| 2 |
| 5 |
解答:解:0.4=40%=
=
=2:5=2÷5=48÷120.
故答案为:2,10,48,40.
| 2 |
| 5 |
| 4 |
| 10 |
故答案为:2,10,48,40.
点评:此题考查小数、分数、除法之间的关系及转化,找出关键的已知数,再利用它们的性质进行转化.
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