问题
填空题
0.4:
|
答案
0.4:
,2 3
=0.4÷
,2 3
=0.6;
(2)0.4:
,2 3
=
:2 5
,2 3
=(
×2 5
):(15 2
×2 3
),15 2
=3:5;
故答案为:0.6;3:5.
0.4:
|
0.4:
,2 3
=0.4÷
,2 3
=0.6;
(2)0.4:
,2 3
=
:2 5
,2 3
=(
×2 5
):(15 2
×2 3
),15 2
=3:5;
故答案为:0.6;3:5.