问题
填空题
|
答案
(1)
:16 5
,4 5
=
÷16 5
,4 5
=
×16 5
,5 4
=4;
(2)0.2:0.04,
=(0.2×25):(0.04×25),
=5:1;
故答案为:4;5:1.
|
(1)
:16 5
,4 5
=
÷16 5
,4 5
=
×16 5
,5 4
=4;
(2)0.2:0.04,
=(0.2×25):(0.04×25),
=5:1;
故答案为:4;5:1.