题目内容
将下列比写成连比:
(1)a:b=5:3,b:c=2:3
(2)x:y=
:
,x:z=0.2:0.3.
(1)a:b=5:3,b:c=2:3
(2)x:y=
| 1 |
| 2 |
| 1 |
| 3 |
(1)a:b:c=
:1:
,
=(
×6):(1×6):(
×6),
=10:6:9;
(2)x:y:z=1:
:
,
=(1×6):(
×6):(
×6),
=6:4:9.
| 5 |
| 3 |
| 3 |
| 2 |
=(
| 5 |
| 3 |
| 3 |
| 2 |
=10:6:9;
(2)x:y:z=1:
| 2 |
| 3 |
| 3 |
| 2 |
=(1×6):(
| 2 |
| 3 |
| 3 |
| 2 |
=6:4:9.
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