题目内容
化简下面各比3.6:2.4=______;1.2米:5分米=______;
:
=______;
:0.75=______.
| 2 |
| 9 |
| 5 |
| 12 |
| 3 |
| 8 |
(1)3.6:2.4,
=(3.6×10):(2.4×10),
=36:24,
=(36÷12):(24÷12),
=3:2;
(2)1.2米:5分米,
=12分米:5分米,
=12:5;
(3)
:
,
=(
×36):(
×36),
=8:15;
(4)
:0.75,
=
:
,
=(
×
):(
×
),
=1:2.
故答案为:3:2,12:5,8:15,1:2.
=(3.6×10):(2.4×10),
=36:24,
=(36÷12):(24÷12),
=3:2;
(2)1.2米:5分米,
=12分米:5分米,
=12:5;
(3)
| 2 |
| 9 |
| 5 |
| 12 |
=(
| 2 |
| 9 |
| 5 |
| 12 |
=8:15;
(4)
| 3 |
| 8 |
=
| 3 |
| 8 |
| 3 |
| 4 |
=(
| 3 |
| 8 |
| 8 |
| 3 |
| 3 |
| 4 |
| 8 |
| 3 |
=1:2.
故答案为:3:2,12:5,8:15,1:2.
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