题目内容
请按要求填表.
| 比 | 18:24 | 4.5:1.2 |
| 30克:0.25吨 | ||||
| 最简单的整数比 | ||||||||
| 比值 |
(1)18:24
=(18÷6):(24÷6)
=3:4
18:24
=18÷24
=
;
(2)4.5:1.2
=(4.5÷0.3):(1.2÷0.3)
=15:4
4.5:1.2
=4.5÷1.2
=
;
(3)
:
=(
×15):(
×15)
=6:4
=(6÷2):(4÷2)
=3:2
:
=
÷
=
×
=
;
(4)30克:0.25吨
=30克:250000克
=3:25000
30克:0.25吨
=30克:250000克
=30÷250000
=
;
故答案为:
=(18÷6):(24÷6)
=3:4
18:24
=18÷24
=
| 3 |
| 4 |
(2)4.5:1.2
=(4.5÷0.3):(1.2÷0.3)
=15:4
4.5:1.2
=4.5÷1.2
=
| 15 |
| 4 |
(3)
| 2 |
| 5 |
| 4 |
| 15 |
=(
| 2 |
| 5 |
| 4 |
| 15 |
=6:4
=(6÷2):(4÷2)
=3:2
| 2 |
| 5 |
| 4 |
| 15 |
=
| 2 |
| 5 |
| 4 |
| 15 |
=
| 2 |
| 5 |
| 15 |
| 4 |
=
| 3 |
| 2 |
(4)30克:0.25吨
=30克:250000克
=3:25000
30克:0.25吨
=30克:250000克
=30÷250000
=
| 3 |
| 25000 |
故答案为:
| 比 | 18:24 | 4.5:1.2 |
| 30克:0.25吨 | ||||||||
| 最简单的整数比 | 3:4 | 15:4 | 3:2 | 3:25000 | ||||||||
| 比值 |
|
|
|
|
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