题目内容
化简下面各比,并求出比值.
| 5:4.5 | 0.125:
|
|
(1)5:4.5=(5×2):(4.5×2)=10:9;
5:4.5=10:9=10÷9=
.
(2)0.125:
=
:
=(
×8):(
×8)=1:7;
0.125:
=1:7=1÷7=
.
(3)
:
=(
×117):(
×117)=65:90=(65÷5):(90÷5)=13:18;
:
=13:18=13÷18=
.
5:4.5=10:9=10÷9=
| 10 |
| 9 |
(2)0.125:
| 7 |
| 8 |
| 1 |
| 8 |
| 7 |
| 8 |
| 1 |
| 8 |
| 7 |
| 8 |
0.125:
| 7 |
| 8 |
| 1 |
| 7 |
(3)
| 5 |
| 9 |
| 10 |
| 13 |
| 5 |
| 9 |
| 10 |
| 13 |
| 5 |
| 9 |
| 10 |
| 13 |
| 13 |
| 18 |
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