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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