题目内容
20分:
时化成最简比是______,比值是______.
| 5 |
| 12 |
(1)20分:
时,
=20分:25分,
=(20÷5):(25÷5),
=4:5;
(2)20分:
时,
=4:5,
=4÷5,
=
.
故答案为:4:5,
,.
| 5 |
| 12 |
=20分:25分,
=(20÷5):(25÷5),
=4:5;
(2)20分:
| 5 |
| 12 |
=4:5,
=4÷5,
=
| 4 |
| 5 |
故答案为:4:5,
| 4 |
| 5 |
练习册系列答案
相关题目