题目内容
化简下面各比.
| 18﹕24 | 0.12﹕0.4 |
|
(1)18﹕24,
=(18÷6)﹕(24÷6),
=3:4;
(2)0.12﹕0.4,
=(0.12×50)﹕(0.4×50),
=6:20,
=3:10;
(3)
﹕
,
=(
×72)﹕(
×72),
=45:40,
=9:8.
=(18÷6)﹕(24÷6),
=3:4;
(2)0.12﹕0.4,
=(0.12×50)﹕(0.4×50),
=6:20,
=3:10;
(3)
| 5 |
| 8 |
| 5 |
| 9 |
=(
| 5 |
| 8 |
| 5 |
| 9 |
=45:40,
=9:8.
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