题目内容
2.4:
.
| 3 |
| 7 |
(1)2.4:
,
=
:
,
=(
×
):(
×
),
=28:5;
(2)2.4:
,
=2.4×
,
=5.6.
| 3 |
| 7 |
=
| 12 |
| 5 |
| 3 |
| 7 |
=(
| 12 |
| 5 |
| 35 |
| 3 |
| 3 |
| 7 |
| 35 |
| 3 |
=28:5;
(2)2.4:
| 3 |
| 7 |
=2.4×
| 7 |
| 3 |
=5.6.
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题目内容
| 3 |
| 7 |
| 3 |
| 7 |
| 12 |
| 5 |
| 3 |
| 7 |
| 12 |
| 5 |
| 35 |
| 3 |
| 3 |
| 7 |
| 35 |
| 3 |
| 3 |
| 7 |
| 7 |
| 3 |