问题
解答题
请按要求填表.
|
答案
(1)18:24
=(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
=(
×15):(2 5
×15)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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