题目内容
求比值
| 2.6:12 | 30%:
| 40分:2小时. |
(1)
:1.4
=
÷1.4
=
÷
=
×
=
;
(2)2.6:12
=2.6÷12
=
×
=
;
(3)30%:
=30%÷
=
×
=
;
(4)40分:2小时
=40分:120分
=40÷120
=
.
| 2 |
| 3 |
=
| 2 |
| 3 |
=
| 2 |
| 3 |
| 7 |
| 5 |
=
| 2 |
| 3 |
| 5 |
| 7 |
=
| 10 |
| 21 |
(2)2.6:12
=2.6÷12
=
| 13 |
| 5 |
| 1 |
| 12 |
=
| 13 |
| 60 |
(3)30%:
| 5 |
| 8 |
=30%÷
| 5 |
| 8 |
=
| 3 |
| 10 |
| 8 |
| 5 |
=
| 12 |
| 25 |
(4)40分:2小时
=40分:120分
=40÷120
=
| 1 |
| 3 |
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