题目内容
化简下面的比:
32.5:0.15
:
1:
.
32.5:0.15
| 2 |
| 9 |
| 1 |
| 3 |
1:
| 3 |
| 4 |
(1)32.5:0.15,
=(32.5×20):(0.15×20),
=650:3;
(2)
:
,
=(
×9):(
×9),
=2:3;
(3)1:
,
=(1×4):(
×4),
=4:3.
=(32.5×20):(0.15×20),
=650:3;
(2)
| 2 |
| 9 |
| 1 |
| 3 |
=(
| 2 |
| 9 |
| 1 |
| 3 |
=2:3;
(3)1:
| 3 |
| 4 |
=(1×4):(
| 3 |
| 4 |
=4:3.
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