题目内容
化简下面各比.
(1)25:1.75.
(2)2.7:
(3)0.6米:
厘米.
(1)25:1.75.
(2)2.7:
| 3 |
| 5 |
(3)0.6米:
| 1 |
| 5 |
(1)25:1.75,
=(25×20):(1.75×20),
=500:35,
=(500÷5):(35÷5),
=100:7;
(2)2.7:
,
=(2.7×10):(
×10),
=27:6,
=9:2;
(3)0.6米:
厘米,
=60厘米:
厘米,
=(60×5):(
×5),
=300:1.
=(25×20):(1.75×20),
=500:35,
=(500÷5):(35÷5),
=100:7;
(2)2.7:
| 3 |
| 5 |
=(2.7×10):(
| 3 |
| 5 |
=27:6,
=9:2;
(3)0.6米:
| 1 |
| 5 |
=60厘米:
| 1 |
| 5 |
=(60×5):(
| 1 |
| 5 |
=300:1.
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