问题
填空题
0.8:
|
答案
(1)0.8:
,4 15
=
:4 5
,4 15
=(
×4 5
):(15 4
×4 15
),15 4
=3:1;
(2)0.8:
,4 15
=
÷4 5
,4 15
=
×4 5
,15 4
=3;
故答案为:3:1,3.
0.8:
|
(1)0.8:
,4 15
=
:4 5
,4 15
=(
×4 5
):(15 4
×4 15
),15 4
=3:1;
(2)0.8:
,4 15
=
÷4 5
,4 15
=
×4 5
,15 4
=3;
故答案为:3:1,3.