题目内容
| 1 |
| 8 |
| 1 |
| 6 |
(1)
:
=
÷
=
(2)0.15:0.35
=(0.15×20):(0.35×20)
=3:7
故答案为:
,3:7.
| 1 |
| 8 |
| 1 |
| 6 |
=
| 1 |
| 8 |
| 1 |
| 6 |
=
| 3 |
| 4 |
(2)0.15:0.35
=(0.15×20):(0.35×20)
=3:7
故答案为:
| 3 |
| 4 |
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