题目内容
12:______=1÷______=
=
=______%
| 3 |
| 5 |
| () |
| 25 |
(1)
=3÷5=(3×4):(5×4)=12:20;
(2)
=3:5=(3÷3):(5÷3)=1:
=1÷
;
(3)
=
=
;
(4)
=0.6=60%.
故答案为:20,
,15,60.
| 3 |
| 5 |
(2)
| 3 |
| 5 |
| 5 |
| 3 |
| 5 |
| 3 |
(3)
| 3 |
| 5 |
| 3×5 |
| 5×5 |
| 15 |
| 25 |
(4)
| 3 |
| 5 |
故答案为:20,
| 5 |
| 3 |
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