题目内容
先化简比,再求比值.
:125%0.6:
10分:
时.
| 3 |
| 4 |
| 3 |
| 4 |
| 2 |
| 5 |
(1)
:125%,
=
:
,
=(
×4):(
×4),
=3:5;
:125%,
=
÷
,
=
×
,
=
;
(2)0.6:
,
=
:
,
=(
×
):(
×
),
=4:5;
0.6:
,
=0.6÷
,
=0.6×
,
=0.8;
(3)10分:
时,
=10分:24分,
=10:24,
=(10÷2):(24÷2),
=5:12;
10分:
时,
=10分:24分,
=10÷24,
=
.
| 3 |
| 4 |
=
| 3 |
| 4 |
| 5 |
| 4 |
=(
| 3 |
| 4 |
| 5 |
| 4 |
=3:5;
| 3 |
| 4 |
=
| 3 |
| 4 |
| 5 |
| 4 |
=
| 3 |
| 4 |
| 4 |
| 5 |
=
| 3 |
| 5 |
(2)0.6:
| 3 |
| 4 |
=
| 3 |
| 5 |
| 3 |
| 4 |
=(
| 3 |
| 5 |
| 20 |
| 3 |
| 3 |
| 4 |
| 20 |
| 3 |
=4:5;
0.6:
| 3 |
| 4 |
=0.6÷
| 3 |
| 4 |
=0.6×
| 4 |
| 3 |
=0.8;
(3)10分:
| 2 |
| 5 |
=10分:24分,
=10:24,
=(10÷2):(24÷2),
=5:12;
10分:
| 2 |
| 5 |
=10分:24分,
=10÷24,
=
| 5 |
| 12 |
练习册系列答案
相关题目