题目内容
| 求下列各比的比值. 32:48 |
| 0.25:0.125. |
(1)32:48,
=32÷48,
=
,
(2)
:
,
=
÷
,
=
×
,
=1,
(3)0.25:0.125,
=0.25÷0.125,
=2.
=32÷48,
=
| 2 |
| 3 |
(2)
| 3 |
| 7 |
| 9 |
| 21 |
=
| 3 |
| 7 |
| 9 |
| 21 |
=
| 3 |
| 7 |
| 21 |
| 9 |
=1,
(3)0.25:0.125,
=0.25÷0.125,
=2.
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