问题
填空题
1
|
答案
(1)1
:0.75,1 2
=1.5÷0.75,
=2,
(2)1
:0.75,1 2
=
:3 2
,3 4
=(
×3 2
):(4 3
×3 4
),4 3
=2:1;
故答案为:2;2:1.
1
|
(1)1
:0.75,1 2
=1.5÷0.75,
=2,
(2)1
:0.75,1 2
=
:3 2
,3 4
=(
×3 2
):(4 3
×3 4
),4 3
=2:1;
故答案为:2;2:1.