题目内容
求比值.
| 13:39 |
|
|
(1)13:39,
=13÷39,
=
;
(2)
:
,
=
÷
,
=
;
(3)
:0.6,
=0.5:0.6,
=0.5÷0.6,
=
.
=13÷39,
=
| 1 |
| 3 |
(2)
| 1 |
| 4 |
| 1 |
| 6 |
=
| 1 |
| 4 |
| 1 |
| 6 |
=
| 3 |
| 2 |
(3)
| 1 |
| 2 |
=0.5:0.6,
=0.5÷0.6,
=
| 5 |
| 6 |
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