题目内容
2.5:
的最简整数比是______,比值是______.把1.2米:75厘米化成最简整数比是______.
| 7 |
| 4 |
2.5:
,
=
:
,
=(
×4):(
×4),
=10:7;
2.5:
,
=
:
,
=
÷
,
=
;
1.2米:75厘米,
=120厘米:75厘米,
=120:75,
=(120÷15):(75÷15),
=8:5;
故答案为:10:7,
;8:5.
| 7 |
| 4 |
=
| 5 |
| 2 |
| 7 |
| 4 |
=(
| 5 |
| 2 |
| 7 |
| 4 |
=10:7;
2.5:
| 7 |
| 4 |
=
| 5 |
| 2 |
| 7 |
| 4 |
=
| 5 |
| 2 |
| 7 |
| 4 |
=
| 10 |
| 7 |
1.2米:75厘米,
=120厘米:75厘米,
=120:75,
=(120÷15):(75÷15),
=8:5;
故答案为:10:7,
| 10 |
| 7 |
练习册系列答案
相关题目