题目内容
在下列比中,最简整数比是3:4的为( )
A.
| B.1:
| C.0.8:
| D.21:35 |
选项A,
:
,
=(
×
):(
×
),
=3:4,
选项B,1:
,
=(1×4):(
×4),
=4:3,
选项C,0.8:
,
=
:
,
=(
×5):(
×5),
=4:3,
选项D,21:35,
=(21÷7):(35÷7),
=3:5,
故选:A.
| 2 |
| 3 |
| 8 |
| 9 |
=(
| 2 |
| 3 |
| 9 |
| 2 |
| 8 |
| 9 |
| 9 |
| 2 |
=3:4,
选项B,1:
| 3 |
| 4 |
=(1×4):(
| 3 |
| 4 |
=4:3,
选项C,0.8:
| 3 |
| 5 |
=
| 4 |
| 5 |
| 3 |
| 5 |
=(
| 4 |
| 5 |
| 3 |
| 5 |
=4:3,
选项D,21:35,
=(21÷7):(35÷7),
=3:5,
故选:A.
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