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.
练习册系列答案
相关题目