题目内容
化简比.
| 0.54:1.6 |
|
(1)
:0.375
=
:
=(
×
):(
×
)
=1:
=8:5;
(2)0.54:1.6
=(0.54÷0.02):(1.6÷0.02)
=27:80;
(3)
:
=(
×
):(
×
)
=
:1
=5:3.
| 3 |
| 5 |
=
| 3 |
| 5 |
| 3 |
| 8 |
=(
| 3 |
| 5 |
| 5 |
| 3 |
| 3 |
| 8 |
| 5 |
| 3 |
=1:
| 5 |
| 8 |
=8:5;
(2)0.54:1.6
=(0.54÷0.02):(1.6÷0.02)
=27:80;
(3)
| 4 |
| 15 |
| 4 |
| 25 |
=(
| 4 |
| 15 |
| 25 |
| 4 |
| 4 |
| 25 |
| 25 |
| 4 |
=
| 5 |
| 3 |
=5:3.
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