题目内容
求比值:
:
;
7.5:0.75.
| 3 |
| 7 |
| 5 |
| 21 |
7.5:0.75.
(1)
:
,
=
÷
,
=
×
,
=
;
(2)7.5:0.75,
=7.5÷0.75,
=10.
| 3 |
| 7 |
| 5 |
| 21 |
=
| 3 |
| 7 |
| 5 |
| 21 |
=
| 3 |
| 7 |
| 21 |
| 5 |
=
| 9 |
| 5 |
(2)7.5:0.75,
=7.5÷0.75,
=10.
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题目内容
| 3 |
| 7 |
| 5 |
| 21 |
| 3 |
| 7 |
| 5 |
| 21 |
| 3 |
| 7 |
| 5 |
| 21 |
| 3 |
| 7 |
| 21 |
| 5 |
| 9 |
| 5 |