题目内容
| 把下面的各比化简成最简比. 0.15:0.30 |
| 15:10. |
(1)0.15:0.30,
=(0.15×20):(0.30×20),
=3:6,
=1:2;
(2)
:
,
=(
×24):(
×24),
=14:9;
(3)15:10,
=(15÷5):(10÷5),
=3:2.
=(0.15×20):(0.30×20),
=3:6,
=1:2;
(2)
| 7 |
| 12 |
| 3 |
| 8 |
=(
| 7 |
| 12 |
| 3 |
| 8 |
=14:9;
(3)15:10,
=(15÷5):(10÷5),
=3:2.
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